fix up one include to be an import

TBR=mark@chromium.org
Review URL: http://codereview.chromium.org/27209

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@10462 0039d316-1c4b-4281-b951-d872f2087c98

chrome/common/resource_bundle_mac.mm

@@ -4,7 +4,7 @@
 
 #include "chrome/common/resource_bundle.h"
 
-#include <Cocoa/Cocoa.h>
+#import <Foundation/Foundation.h>
 
 #include "base/base_paths.h"
 #include "base/data_pack.h"