MacOS: fix libvlccore.dylib symlink

Close #9504

Until a better solution

extras/package/macosx/build-package.sh

@@ -258,11 +258,11 @@ done
 ##########################
 # Build the lib folder
 vlc_install "lib/${prefix}" "libvlc.5.dylib" "${target_lib}" "library"
-vlc_install "src/${prefix}" "libvlccore.5.dylib" "${target_lib}" "library"
+vlc_install "src/${prefix}" "libvlccore.7.dylib" "${target_lib}" "library"
 pushd `pwd` > /dev/null
 cd ${target_lib}
 ln -sf libvlc.5.dylib libvlc.dylib
-ln -sf libvlccore.5.dylib libvlccore.dylib
+ln -sf libvlccore.7.dylib libvlccore.dylib
 popd > /dev/null
 
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