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fbarchard@google.com committed 49db7b7e4a8
Add edge to sobel buffers to avoid overwrites. BUG=296 TESTED=Sobel unittest in Effects R=tpsiaki@google.com Review URL: https://webrtc-codereview.appspot.com/6429004 git-svn-id: http://libyuv.googlecode.com/svn/trunk@930 16f28f9a-4ce2-e073-06de-1de4eb20be90