gotest: another attempt to make it run on Windows
gotest: another attempt to make it run on Windows

R=golang-dev, rsc1
CC=golang-dev
http://codereview.appspot.com/4347041

ssrl/go,dsriram/golang,apparentlymart/golang,gnanderson/go,dsriram/golang,pombredanne/go-deleteme,apparentlymart/golang,dsriram/golang,dsriram/golang,tv42/old-go,dsriram/golang,apparentlymart/golang,tv42/old-go,gnanderson/go,apparentlymart/golang,tv42/old-go,gnanderson/go,pombredanne/go-deleteme,pombredanne/go-deleteme,gnanderson/go,ssrl/go,pombredanne/go-deleteme,apparentlymart/golang,ssrl/go,apparentlymart/golang,gnanderson/go,gnanderson/go,tv42/old-go,tv42/old-go,pombredanne/go-deleteme,ssrl/go,apparentlymart/golang,dsriram/golang,pombredanne/go-deleteme,ssrl/go,ssrl/go,tv42/old-go,dsriram/golang,ssrl/go,tv42/old-go,gnanderson/go,pombredanne/go-deleteme