Match gccgo error messages.
Match gccgo error messages.

bug249.go:10:5: error: incompatible type in initialization
bug249.go:26:5: error: incompatible type in initialization

R=rsc
CC=golang-dev
http://codereview.appspot.com/198058

wesolows/golang-old,wesolows/golang-old,firebitsbr/golang-old,firebitsbr/golang-old,wesolows/golang,firebitsbr/golang-old,firebitsbr/golang-old,firebitsbr/golang-old,firebitsbr/golang-old,wesolows/golang-old,wesolows/golang-old,firebitsbr/golang-old,wesolows/golang-old,wesolows/golang,wesolows/golang,wesolows/golang,wesolows/golang,firebitsbr/golang-old,wesolows/golang-old,wesolows/golang,wesolows/golang-old,wesolows/golang