Change scale to unaligned movdqu.
BUG=365
TESTED=scale unittests
R=tpsiaki@google.com

Review URL: https://webrtc-codereview.appspot.com/22879004

git-svn-id: http://libyuv.googlecode.com/svn/trunk@1101 16f28f9a-4ce2-e073-06de-1de4eb20be90
11 files changed