Merge pull request #2258 from compnerd/stray-bits

CoreFoundation: simplify target computation

Author: compnerd

CoreFoundation/Base.subproj/CFSystemDirectories.c

@@ -18,7 +18,7 @@
 #include <CoreFoundation/CFPriv.h>
 #include "CFInternal.h"
 
-#if TARGET_OS_OSX || TARGET_OS_IPHONE
+#if TARGET_OS_MAC
 
 /* We use the System framework implementation on Mach.
 */