require gofmt for all $GOROOT/src/.../*.go.
require gofmt for all $GOROOT/src/.../*.go.

try harder to post messages to rietveld.

R=gri, r
CC=go-dev
http://go/go-review/1024006
abustany/go,abustany/go,abustany/go,abustany/go,abustany/go,abustany/go,abustany/go