Make wxCocoa compile in 64-bit mode.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@47182 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/cocoa/NSView.h

@@ -15,7 +15,12 @@
 #include "wx/hashmap.h"
 #include "wx/cocoa/ObjcAssociate.h"
 
+#if defined(__LP64__) || defined(NS_BUILD_32_LIKE_64)
+typedef struct CGRect NSRect;
+#else
 typedef struct _NSRect NSRect;
+#endif
+
 class wxWindow;
 
 WX_DECLARE_OBJC_HASHMAP(NSView);