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fbarchard@google.com committed 449eb230a22
When scaling a 1x1, dx/dy is 0. Switch to point sample BUG=none TEST=none R=dingkai@google.com Review URL: https://webrtc-codereview.appspot.com/1582007 git-svn-id: http://libyuv.googlecode.com/svn/trunk@714 16f28f9a-4ce2-e073-06de-1de4eb20be90