Fix CMake build

Added the missing libraries (CoreFoundation
and IOSurface) to the CMakeLists.txt file.

Change-Id: I6db6b3d2396f557296bbf670d152cc421b6727dd
Reviewed-on: https://swiftshader-review.googlesource.com/18469
Tested-by: Alexis Hétu <sugoi@google.com>
Reviewed-by: Nicolas Capens <nicolascapens@google.com>
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 2fed585..af68576 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -853,7 +853,9 @@
 elseif(APPLE)
     find_library(COCOA_FRAMEWORK Cocoa)
     find_library(QUARTZ_FRAMEWORK Quartz)
-    set(OS_LIBS "${COCOA_FRAMEWORK}" "${QUARTZ_FRAMEWORK}")
+    find_library(CORE_FOUNDATION_FRAMEWORK CoreFoundation)
+    find_library(IOSURFACE_FRAMEWORK IOSurface)
+    set(OS_LIBS "${COCOA_FRAMEWORK}" "${QUARTZ_FRAMEWORK}" "${CORE_FOUNDATION_FRAMEWORK}" "${IOSURFACE_FRAMEWORK}")
 endif()
 
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