ola: declare indirect deps with linkage

[chenrui333]

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https://github.com/Homebrew/homebrew-core/actions/runs/10029560127/job/27720329759?pr=177981#step:4:1117

[chenrui333]

  libtool: compile:  g++-11 -DHAVE_CONFIG_H -I. -I./include -I./include -Wall -Wformat -W -fvisibility-inlines-hidden -I/home/linuxbrew/.linuxbrew/Cellar/protobuf@21/21.12/include -DNDEBUG -std=gnu++11 -c plugins/pathport/PathportNode.cpp  -fPIC -DPIC -o plugins/pathport/.libs/PathportNode.o
  plugins/osc/OSCNode.cpp: In function ‘int ola::plugin::osc::OSCDataHandler(const char*, const char*, lo_arg**, int, void*, void*)’:
  plugins/osc/OSCNode.cpp:153:28: error: cannot convert ‘lo_arg*’ to ‘lo_blob’ {aka ‘lo_blob_*’} in initialization
    153 |       lo_blob blob = argv[0];
        |                      ~~~~~~^
        |                            |
        |                            lo_arg*
  plugins/osc/OSCNode.cpp: In member function ‘bool ola::plugin::osc::OSCNode::Init()’:
  plugins/osc/OSCNode.cpp:266:50: error: invalid conversion from ‘int (*)(const char*, const char*, lo_arg**, int, void*, void*)’ to ‘lo_method_handler’ {aka ‘int (*)(const char*, const char*, lo_arg**, int, lo_message_*, void*)’} [-fpermissive]
    266 |   lo_server_add_method(m_osc_server, NULL, NULL, OSCDataHandler, this);
        |                                                  ^~~~~~~~~~~~~~
        |                                                  |
        |                                                  int (*)(const char*, const char*, lo_arg**, int, void*, void*)
  In file included from /home/linuxbrew/.linuxbrew/Cellar/liblo/0.32/include/lo/lo.h:32,
                   from ./plugins/osc/OSCNode.h:24,
                   from plugins/osc/OSCNode.cpp:35:
  /home/linuxbrew/.linuxbrew/Cellar/liblo/0.32/include/lo/lo_lowlevel.h:876:72: note:   initializing argument 4 of ‘lo_method_* lo_server_add_method(lo_server, const char*, const char*, lo_method_handler, const void*)’
    876 |                                const char *typespec, lo_method_handler h,
        |                                                      ~~~~~~~~~~~~~~~~~~^

• build error: OSCNode.cpp:153:28: error: cannot convert 'lo_arg*' to 'lo_blob' {aka 'lo_blob_*'} in initialization OpenLightingProject/ola#1949

[chenrui333]

• relates to Fix liblo 0.32 header compatibility OpenLightingProject/ola#1954