Build fix.

Roll out r144431 because it was a build fix for r144422, which was rolled out in r144446.

* platform/graphics/avfoundation/objc/WebCoreAVFResourceLoader.h:

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@144460 268f45cc-cd09-0410-ab3c-d52691b4dbfc