misc/bbedit: remove closed keyword
misc/bbedit: remove closed keyword

R=golang-dev, adg
CC=golang-dev
http://codereview.appspot.com/4284058

Committer: Andrew Gerrand <395a7d33bec8475c9b83b7d440f141bcbd994aa5@golang.org>

tav/go,tav/go,tav/go,tav/go,tav/go,tav/go,tav/go