misc/emacs: update list of builtins.
misc/emacs: update list of builtins.

R=golang-dev, gri
CC=golang-dev
http://codereview.appspot.com/4630065

Committer: Robert Griesemer <a6752097faebf1f02d80107d77a9be009089afe3@golang.org>
abustany/go,abustany/go,abustany/go,abustany/go,abustany/go,abustany/go,abustany/go