Small addition to previous optimization of memequal as discussed here: http://groups.google.com/group/golang-nuts/browse_thread/thread/f591ba36d83723c0/9aba02d344045f38
Small addition to previous optimization of memequal as discussed here: http://groups.google.com/group/golang-nuts/browse_thread/thread/f591ba36d83723c0/9aba02d344045f38

R=golang-dev, r, r2
CC=golang-dev
http://codereview.appspot.com/2880041

Committer: Rob Pike <4dc7c9ec434ed06502767136789763ec11d2c4b7@golang.org>
abustany/go,abustany/go,abustany/go,abustany/go,abustany/go,abustany/go,abustany/go