Fix objective-c logic to only include objective-c if the target is a Mac, or is explicitly told to have objective-c

Author: AZero13

CoreFoundation/Base.subproj/ForFoundationOnly.h

@@ -59,7 +59,7 @@ CF_IMPLICIT_BRIDGING_DISABLED
 #include <mach/mach_time.h>
 #endif
 
-#if (INCLUDE_OBJC || TARGET_OS_MAC || TARGET_OS_WIN32) && !DEPLOYMENT_RUNTIME_SWIFT
+#if (INCLUDE_OBJC || TARGET_OS_MAC) && !DEPLOYMENT_RUNTIME_SWIFT
 #include <objc/message.h>
 #endif