test: match gccgo error messages for init.go
test: match gccgo error messages for init.go

init.go:16:10: error: invalid reference to unexported identifier ‘runtime.init’
init.go:15:2: error: reference to undefined name ‘init’
init.go:17:10: error: reference to undefined name ‘init’

R=golang-dev, rsc1
CC=golang-dev
http://codereview.appspot.com/4289074

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