BUG=319
TESTED=libyuv_unittest
R=fbarchard@google.com

Change-Id: I1dc89b35d4c4bf011cd04b549aaf9d777b1acc65

Review URL: https://webrtc-codereview.appspot.com/23399004

git-svn-id: http://libyuv.googlecode.com/svn/trunk@1078 16f28f9a-4ce2-e073-06de-1de4eb20be90