Handle possibly NULL deref in comparison
Handle possibly NULL deref in comparison

Committed on behalf of groby@chromium.org

OCL=http://codereview.appspot.com/4633058/
CID=16790,16789

Review URL: http://codereview.appspot.com/4654049

git-svn-id: e8541e15acce502a64c929015570ad1648e548cd@1666 2bbb7eff-a529-9590-31e7-b0007b416f81

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