utf8: rename some internal constants to remove leading underscores. How quaint.
utf8: rename some internal constants to remove leading underscores.
How quaint.

R=golang-dev, dsymonds
CC=golang-dev
http://codereview.appspot.com/4874045
abustany/go,abustany/go,abustany/go,abustany/go,abustany/go,abustany/go,abustany/go