update ssl submodule for Mbed TLS 3.0.0 compat

[gstrauss]

github: #26

[gstrauss]

@zhaojh329 ping. Please review and then create a new release in #26. Thank you.

[Neustradamus]

@gstrauss: Good job!

[zhaojh329]

/home/zjh/libuhttpd/src/connection.c: In function ‘ssl_negotiated’:
/home/zjh/libuhttpd/src/connection.c:835:16: error: ‘SSL_PENDING’ undeclared (first use in this function); did you mean ‘P_FD_PENDING’?
  835 |     if (ret == SSL_PENDING)
      |                ^~~~~~~~~~~
      |                P_FD_PENDING
/home/zjh/libuhttpd/src/connection.c:835:16: note: each undeclared identifier is reported only once for each function it appears in
In file included from /home/zjh/libuhttpd/src/uhttpd.h:36,
                 from /home/zjh/libuhttpd/src/uhttpd_internal.h:30,
                 from /home/zjh/libuhttpd/src/connection.c:33:
/home/zjh/libuhttpd/src/connection.c:839:66: error: passing argument 1 of ‘ssl_last_error_string’ from incompatible pointer type [-Werror=incompatible-pointer-types]
  839 |         log_err("ssl connect error: %s\n", ssl_last_error_string(err_buf, sizeof(err_buf)));
      |                                                                  ^~~~~~~
      |                                                                  |
      |                                                                  char *
/home/zjh/libuhttpd/src/log/log.h:43:49: note: in definition of macro ‘log’
   43 |             ___log(__FILENAME__, __LINE__, pri, fmt);  \
      |                                                 ^~~
/home/zjh/libuhttpd/src/connection.c:839:9: note: in expansion of macro ‘log_err’
  839 |         log_err("ssl connect error: %s\n", ssl_last_error_string(err_buf, sizeof(err_buf)));
      |         ^~~~~~~
In file included from /home/zjh/libuhttpd/src/uhttpd_internal.h:34,
                 from /home/zjh/libuhttpd/src/connection.c:33:
/home/zjh/libuhttpd/src/ssl/ssl.h:25:47: note: expected ‘struct ssl *’ but argument is of type ‘char *’
   25 | const char *ssl_last_error_string(struct ssl *ssl, char *buf, int len);
      |                                   ~~~~~~~~~~~~^~~
In file included from /home/zjh/libuhttpd/src/uhttpd.h:36,
                 from /home/zjh/libuhttpd/src/uhttpd_internal.h:30,
                 from /home/zjh/libuhttpd/src/connection.c:33:
/home/zjh/libuhttpd/src/connection.c:839:75: error: passing argument 2 of ‘ssl_last_error_string’ makes pointer from integer without a cast [-Werror=int-conversion]
  839 |         log_err("ssl connect error: %s\n", ssl_last_error_string(err_buf, sizeof(err_buf)));
      |                                                                           ^~~~~~~~~~~~~~~
      |                                                                           |
      |                                                                           long unsigned int
/home/zjh/libuhttpd/src/log/log.h:43:49: note: in definition of macro ‘log’
   43 |             ___log(__FILENAME__, __LINE__, pri, fmt);  \
      |                                                 ^~~
/home/zjh/libuhttpd/src/connection.c:839:9: note: in expansion of macro ‘log_err’
  839 |         log_err("ssl connect error: %s\n", ssl_last_error_string(err_buf, sizeof(err_buf)));
      |         ^~~~~~~
In file included from /home/zjh/libuhttpd/src/uhttpd_internal.h:34,
                 from /home/zjh/libuhttpd/src/connection.c:33:
/home/zjh/libuhttpd/src/ssl/ssl.h:25:58: note: expected ‘char *’ but argument is of type ‘long unsigned int’
   25 | const char *ssl_last_error_string(struct ssl *ssl, char *buf, int len);
      |                                                    ~~~~~~^~~
In file included from /home/zjh/libuhttpd/src/uhttpd.h:36,
                 from /home/zjh/libuhttpd/src/uhttpd_internal.h:30,
                 from /home/zjh/libuhttpd/src/connection.c:33:
/home/zjh/libuhttpd/src/connection.c:839:44: error: too few arguments to function ‘ssl_last_error_string’
  839 |         log_err("ssl connect error: %s\n", ssl_last_error_string(err_buf, sizeof(err_buf)));
      |                                            ^~~~~~~~~~~~~~~~~~~~~
/home/zjh/libuhttpd/src/log/log.h:43:49: note: in definition of macro ‘log’
   43 |             ___log(__FILENAME__, __LINE__, pri, fmt);  \
      |                                                 ^~~
/home/zjh/libuhttpd/src/connection.c:839:9: note: in expansion of macro ‘log_err’
  839 |         log_err("ssl connect error: %s\n", ssl_last_error_string(err_buf, sizeof(err_buf)));
      |         ^~~~~~~
In file included from /home/zjh/libuhttpd/src/uhttpd_internal.h:34,
                 from /home/zjh/libuhttpd/src/connection.c:33:
/home/zjh/libuhttpd/src/ssl/ssl.h:25:13: note: declared here
   25 | const char *ssl_last_error_string(struct ssl *ssl, char *buf, int len);
      |             ^~~~~~~~~~~~~~~~~~~~~
In file included from /home/zjh/libuhttpd/src/uhttpd.h:36,
                 from /home/zjh/libuhttpd/src/uhttpd_internal.h:30,
                 from /home/zjh/libuhttpd/src/connection.c:33:
/home/zjh/libuhttpd/src/connection.c: In function ‘conn_ssl_read’:
/home/zjh/libuhttpd/src/connection.c:856:57: error: passing argument 1 of ‘ssl_last_error_string’ from incompatible pointer type [-Werror=incompatible-pointer-types]
  856 |         log_err("ssl_read: %s\n", ssl_last_error_string(err_buf, sizeof(err_buf)));
      |                                                         ^~~~~~~
      |                                                         |
      |                                                         char *
/home/zjh/libuhttpd/src/log/log.h:43:49: note: in definition of macro ‘log’
   43 |             ___log(__FILENAME__, __LINE__, pri, fmt);  \
      |                                                 ^~~
/home/zjh/libuhttpd/src/connection.c:856:9: note: in expansion of macro ‘log_err’
  856 |         log_err("ssl_read: %s\n", ssl_last_error_string(err_buf, sizeof(err_buf)));
      |         ^~~~~~~
In file included from /home/zjh/libuhttpd/src/uhttpd_internal.h:34,
                 from /home/zjh/libuhttpd/src/connection.c:33:
/home/zjh/libuhttpd/src/ssl/ssl.h:25:47: note: expected ‘struct ssl *’ but argument is of type ‘char *’
   25 | const char *ssl_last_error_string(struct ssl *ssl, char *buf, int len);
      |                                   ~~~~~~~~~~~~^~~
In file included from /home/zjh/libuhttpd/src/uhttpd.h:36,
                 from /home/zjh/libuhttpd/src/uhttpd_internal.h:30,
                 from /home/zjh/libuhttpd/src/connection.c:33:
/home/zjh/libuhttpd/src/connection.c:856:66: error: passing argument 2 of ‘ssl_last_error_string’ makes pointer from integer without a cast [-Werror=int-conversion]
  856 |         log_err("ssl_read: %s\n", ssl_last_error_string(err_buf, sizeof(err_buf)));
      |                                                                  ^~~~~~~~~~~~~~~
      |                                                                  |
      |                                                                  long unsigned int
/home/zjh/libuhttpd/src/log/log.h:43:49: note: in definition of macro ‘log’
   43 |             ___log(__FILENAME__, __LINE__, pri, fmt);  \
      |                                                 ^~~
/home/zjh/libuhttpd/src/connection.c:856:9: note: in expansion of macro ‘log_err’
  856 |         log_err("ssl_read: %s\n", ssl_last_error_string(err_buf, sizeof(err_buf)));
      |         ^~~~~~~
In file included from /home/zjh/libuhttpd/src/uhttpd_internal.h:34,
                 from /home/zjh/libuhttpd/src/connection.c:33:
/home/zjh/libuhttpd/src/ssl/ssl.h:25:58: note: expected ‘char *’ but argument is of type ‘long unsigned int’
   25 | const char *ssl_last_error_string(struct ssl *ssl, char *buf, int len);
      |                                                    ~~~~~~^~~
In file included from /home/zjh/libuhttpd/src/uhttpd.h:36,
                 from /home/zjh/libuhttpd/src/uhttpd_internal.h:30,
                 from /home/zjh/libuhttpd/src/connection.c:33:
/home/zjh/libuhttpd/src/connection.c:856:35: error: too few arguments to function ‘ssl_last_error_string’
  856 |         log_err("ssl_read: %s\n", ssl_last_error_string(err_buf, sizeof(err_buf)));
      |                                   ^~~~~~~~~~~~~~~~~~~~~
/home/zjh/libuhttpd/src/log/log.h:43:49: note: in definition of macro ‘log’
   43 |             ___log(__FILENAME__, __LINE__, pri, fmt);  \
      |                                                 ^~~
/home/zjh/libuhttpd/src/connection.c:856:9: note: in expansion of macro ‘log_err’
  856 |         log_err("ssl_read: %s\n", ssl_last_error_string(err_buf, sizeof(err_buf)));
      |         ^~~~~~~
In file included from /home/zjh/libuhttpd/src/uhttpd_internal.h:34,
                 from /home/zjh/libuhttpd/src/connection.c:33:
/home/zjh/libuhttpd/src/ssl/ssl.h:25:13: note: declared here
   25 | const char *ssl_last_error_string(struct ssl *ssl, char *buf, int len);
      |             ^~~~~~~~~~~~~~~~~~~~~
/home/zjh/libuhttpd/src/connection.c:860:16: error: ‘SSL_PENDING’ undeclared (first use in this function); did you mean ‘P_FD_PENDING’?
  860 |     if (ret == SSL_PENDING)
      |                ^~~~~~~~~~~
      |                P_FD_PENDING
In file included from /home/zjh/libuhttpd/src/uhttpd.h:36,
                 from /home/zjh/libuhttpd/src/uhttpd_internal.h:30,
                 from /home/zjh/libuhttpd/src/connection.c:33:
/home/zjh/libuhttpd/src/connection.c: In function ‘conn_write_cb’:
/home/zjh/libuhttpd/src/connection.c:887:62: error: passing argument 1 of ‘ssl_last_error_string’ from incompatible pointer type [-Werror=incompatible-pointer-types]
  887 |             log_err("ssl_write: %s\n", ssl_last_error_string(err_buf, sizeof(err_buf)));
      |                                                              ^~~~~~~
      |                                                              |
      |                                                              char *
/home/zjh/libuhttpd/src/log/log.h:43:49: note: in definition of macro ‘log’
   43 |             ___log(__FILENAME__, __LINE__, pri, fmt);  \
      |                                                 ^~~
/home/zjh/libuhttpd/src/connection.c:887:13: note: in expansion of macro ‘log_err’
  887 |             log_err("ssl_write: %s\n", ssl_last_error_string(err_buf, sizeof(err_buf)));
      |             ^~~~~~~
In file included from /home/zjh/libuhttpd/src/uhttpd_internal.h:34,
                 from /home/zjh/libuhttpd/src/connection.c:33:
/home/zjh/libuhttpd/src/ssl/ssl.h:25:47: note: expected ‘struct ssl *’ but argument is of type ‘char *’
   25 | const char *ssl_last_error_string(struct ssl *ssl, char *buf, int len);
      |                                   ~~~~~~~~~~~~^~~
In file included from /home/zjh/libuhttpd/src/uhttpd.h:36,
                 from /home/zjh/libuhttpd/src/uhttpd_internal.h:30,
                 from /home/zjh/libuhttpd/src/connection.c:33:
/home/zjh/libuhttpd/src/connection.c:887:71: error: passing argument 2 of ‘ssl_last_error_string’ makes pointer from integer without a cast [-Werror=int-conversion]
  887 |             log_err("ssl_write: %s\n", ssl_last_error_string(err_buf, sizeof(err_buf)));
      |                                                                       ^~~~~~~~~~~~~~~
      |                                                                       |
      |                                                                       long unsigned int
/home/zjh/libuhttpd/src/log/log.h:43:49: note: in definition of macro ‘log’
   43 |             ___log(__FILENAME__, __LINE__, pri, fmt);  \
      |                                                 ^~~
/home/zjh/libuhttpd/src/connection.c:887:13: note: in expansion of macro ‘log_err’
  887 |             log_err("ssl_write: %s\n", ssl_last_error_string(err_buf, sizeof(err_buf)));
      |             ^~~~~~~
In file included from /home/zjh/libuhttpd/src/uhttpd_internal.h:34,
                 from /home/zjh/libuhttpd/src/connection.c:33:
/home/zjh/libuhttpd/src/ssl/ssl.h:25:58: note: expected ‘char *’ but argument is of type ‘long unsigned int’
   25 | const char *ssl_last_error_string(struct ssl *ssl, char *buf, int len);
      |                                                    ~~~~~~^~~
In file included from /home/zjh/libuhttpd/src/uhttpd.h:36,
                 from /home/zjh/libuhttpd/src/uhttpd_internal.h:30,
                 from /home/zjh/libuhttpd/src/connection.c:33:
/home/zjh/libuhttpd/src/connection.c:887:40: error: too few arguments to function ‘ssl_last_error_string’
  887 |             log_err("ssl_write: %s\n", ssl_last_error_string(err_buf, sizeof(err_buf)));
      |                                        ^~~~~~~~~~~~~~~~~~~~~
/home/zjh/libuhttpd/src/log/log.h:43:49: note: in definition of macro ‘log’
   43 |             ___log(__FILENAME__, __LINE__, pri, fmt);  \
      |                                                 ^~~
/home/zjh/libuhttpd/src/connection.c:887:13: note: in expansion of macro ‘log_err’
  887 |             log_err("ssl_write: %s\n", ssl_last_error_string(err_buf, sizeof(err_buf)));
      |             ^~~~~~~
In file included from /home/zjh/libuhttpd/src/uhttpd_internal.h:34,
                 from /home/zjh/libuhttpd/src/connection.c:33:
/home/zjh/libuhttpd/src/ssl/ssl.h:25:13: note: declared here
   25 | const char *ssl_last_error_string(struct ssl *ssl, char *buf, int len);
      |             ^~~~~~~~~~~~~~~~~~~~~
/home/zjh/libuhttpd/src/connection.c:891:20: error: ‘SSL_PENDING’ undeclared (first use in this function); did you mean ‘P_FD_PENDING’?
  891 |         if (ret == SSL_PENDING)
      |                    ^~~~~~~~~~~
      |                    P_FD_PENDING
cc1: all warnings being treated as errors
make[2]: *** [src/CMakeFiles/uhttpd.dir/build.make:90: src/CMakeFiles/uhttpd.dir/connection.c.o] Error 1
make[1]: *** [CMakeFiles/Makefile2:166: src/CMakeFiles/uhttpd.dir/all] Error 2
make: *** [Makefile:136: all] Error 2

[gstrauss]

@zhaojh329 looks like you changed the interfaces in your ssl submodule almost two years ago in zhaojh329/ssl@7be969c and zhaojh329/ssl@856def8