test: match gccgo error messages for bug325.go.
test: match gccgo error messages for bug325.go.

bug325.go:13:10: error: invalid indirect of ‘unsafe.Pointer’
bug325.go:14:31: error: reference to field ‘foo’ in object which has no fields or methods

R=golang-dev, r
CC=golang-dev
http://codereview.appspot.com/4313050
abustany/go,abustany/go,abustany/go,abustany/go,abustany/go,abustany/go,abustany/go