[webkit-reviews] review requested: [Bug 11760] Animated GIFs with offsets crash WebKit : [Attachment 11757] better patch with layout test

[bugzilla-request-daemon at macosforge.org]

Dex Deacon <occupant4 at gmail.com> has asked  for review:
Bug 11760: Animated GIFs with offsets crash WebKit
http://bugs.webkit.org/show_bug.cgi?id=11760

Attachment 11757: better patch with layout test
http://bugs.webkit.org/attachment.cgi?id=11757&action=edit

------- Additional Comments from Dex Deacon <occupant4 at gmail.com>
This patch fixes another buffer overflow that I missed in the first patch. 
Also, this also corrects the way frames are composited in animating GIFs.