BUG=202
TEST=set LIBYUV_HEIGHT=1 & out\release\libyuv_unittest
R=ryanpetrie@google.com

Review URL: https://webrtc-codereview.appspot.com/2391004

git-svn-id: http://libyuv.googlecode.com/svn/trunk@811 16f28f9a-4ce2-e073-06de-1de4eb20be90