Fix xcode 4.1 build issue
Fix xcode 4.1 build issue

http://codereview.appspot.com/5992048/



git-svn-id: e8541e15acce502a64c929015570ad1648e548cd@3621 2bbb7eff-a529-9590-31e7-b0007b416f81

mrobinson/skia,Cue/skia,metajack/skia,Cue/skia,Cue/skia,mrobinson/skia,mrobinson/skia,metajack/skia,mrobinson/skia,metajack/skia,metajack/skia,Cue/skia,mrobinson/skia