build: fix --enable-shared vout linking error on iOS

Fixes Undefined symbols for architecture arm64:
  "_OBJC_CLASS_$_NSNumber", referenced from:
      objc-class-ref in libsamplebufferdisplay_plugin_la-VLCSampleBufferDisplay.o

modules/video_output/Makefile.am

@@ -82,7 +82,7 @@ libsamplebufferdisplay_plugin_la_LDFLAGS = $(AM_LDFLAGS) -rpath '$(voutdir)' \
 	-Wl,-framework,AVFoundation,-framework,AVKit,-framework,Cocoa,-framework,CoreMedia,-framework,QuartzCore,-framework,CoreGraphics,-framework,CoreVideo
 else
 libsamplebufferdisplay_plugin_la_LDFLAGS = $(AM_LDFLAGS) -rpath '$(voutdir)' \
-	-Wl,-framework,AVFoundation,-framework,AVKit,-framework,UIKit,-framework,CoreMedia,-framework,QuartzCore,-framework,CoreGraphics,-framework,CoreVideo
+	-Wl,-framework,AVFoundation,-framework,Foundation,-framework,AVKit,-framework,UIKit,-framework,CoreMedia,-framework,QuartzCore,-framework,CoreGraphics,-framework,CoreVideo
 endif
 vout_LTLIBRARIES += libsamplebufferdisplay_plugin.la
 endif

modules/video_output/apple/meson.build

@@ -34,7 +34,7 @@ vlc_modules += {
         '../../codec/vt_utils.h'
     ),
     'objc_args' : ['-fobjc-arc'],
-    'dependencies' : [avfoundation_dep, avkit_dep, uifwk_dep, coremedia_dep, quartz_dep, corevideo_dep, coregraphics_dep],
+    'dependencies' : [avfoundation_dep, foundation_dep, avkit_dep, uifwk_dep, coremedia_dep, quartz_dep, corevideo_dep, coregraphics_dep],
 }
 
 if have_ios or have_tvos