build: Fix missing CoreImage dependency for darwin platforms
requested to merge umxprime/vlc:umxprime/modules/vout/build/fix-missing-coreimage-symbols/mr into master
This should fix this build error when building libvlc for Darwin platforms
Undefined symbols for architecture arm64:
"_OBJC_CLASS_$_CIContext", referenced from:
objc-class-ref in libsamplebufferdisplay_plugin_la-VLCSampleBufferDisplay.o
"_OBJC_CLASS_$_CIImage", referenced from:
objc-class-ref in libsamplebufferdisplay_plugin_la-VLCSampleBufferDisplay.o
ld: symbol(s) not found