BUG=290
TESTED=make -f winarm.mk
R=kjellander@google.com, mflodman@webrtc.org, tpsiaki@google.com

Review URL: https://webrtc-codereview.appspot.com/4839004

git-svn-id: http://libyuv.googlecode.com/svn/trunk@890 16f28f9a-4ce2-e073-06de-1de4eb20be90