[CMake] Yet another missing dependency. (#4983)

More convinced than ever of the need to automate.

Author: jrose-apple

stdlib/public/SDK/AVFoundation/CMakeLists.txt

@@ -1,6 +1,6 @@
 add_swift_library(swiftAVFoundation ${SWIFT_SDK_OVERLAY_LIBRARY_BUILD_TYPES} IS_SDK_OVERLAY
   AVFoundation.swift.gyb
   TARGET_SDKS OSX IOS IOS_SIMULATOR TVOS TVOS_SIMULATOR
-  SWIFT_MODULE_DEPENDS Foundation CoreMedia
+  SWIFT_MODULE_DEPENDS Foundation CoreMedia QuartzCore
   SWIFT_MODULE_DEPENDS_OSX AppKit
   FRAMEWORK_DEPENDS AVFoundation)