test: match gccgo error messages for bug330.go.
test: match gccgo error messages for bug330.go.

bug330.go:11:6: error: expected numeric type
bug330.go:12:6: error: expected numeric type

R=golang-dev, gri
CC=golang-dev
http://codereview.appspot.com/5031050
abustany/go,abustany/go,abustany/go,abustany/go,abustany/go,abustany/go,abustany/go