TESTED=libyuv_unittest
BUG=319
R=fbarchard@chromium.org, fbarchard@google.com

Review URL: https://webrtc-codereview.appspot.com/21279004

git-svn-id: http://libyuv.googlecode.com/svn/trunk@1068 16f28f9a-4ce2-e073-06de-1de4eb20be90