gpsd-devel: update to 20190817-a4ecde71

This once again works on all OS versions, after fixing upstream bugs.

TESTED:
Ran "port upgrade gpsd-devel" on Mac Pro 10.9, MacBook Pro 10.9,
PowerBook 10.5, and VMs for 10.5-10.13.

net/gpsd/Portfile

@@ -46,20 +46,16 @@ if {${subport} eq ${name}} {
     conflicts           gpsd
 
     revision            0
-    git.branch          0635e8359bef0baf9aebb062af866d07e2ec64e4
-    version             20190816-[string range ${git.branch} 0 7]
-    checksums           rmd160 851174241947f533dc6494bcbfc46cd21d41eec7 \
-                        sha256 99016933cad280a23c5e29de1f5742a589d6749bf8ca5737d68bad5e3912dc99 \
-                        size   8698120
+    git.branch          a4ecde71556018f6d7a70831165169fffd0cc3a1
+    version             20190817-[string range ${git.branch} 0 7]
+    checksums           rmd160  9c365e553ebd80b173b0ddbbadb317d1103ff776 \
+                        sha256  16318c956793aa78f269dc5274d737da69c616c35746dd18b569eba6ca3d1048 \
+                        size    8698196
 
     master_sites        https://gitlab.com/gpsd/gpsd/-/archive/${git.branch}/
     distname            ${name}-${git.branch}
     use_bzip2           yes
 
-    # fix use of 'sincos' for APPLE
-    patchfiles-append   patch-fix-geoid.c-sincos-APPLE.devel.diff
-    patch.pre_args -p1
-
     livecheck.type      regexm
     livecheck.version   ${git.branch}
     livecheck.url       https://gitlab.com/gpsd/gpsd/commits/master?format=atom