When scaling a 1x1, dx/dy is 0.  Switch to point sample
BUG=none
TEST=none
R=dingkai@google.com

Review URL: https://webrtc-codereview.appspot.com/1582007

git-svn-id: http://libyuv.googlecode.com/svn/trunk@714 16f28f9a-4ce2-e073-06de-1de4eb20be90
diff --git a/README.chromium b/README.chromium
index 52f22b6..56d52fa 100644
--- a/README.chromium
+++ b/README.chromium
@@ -1,6 +1,6 @@
 Name: libyuv
 URL: http://code.google.com/p/libyuv/
-Version: 713
+Version: 715
 License: BSD
 License File: LICENSE