fix windows build: http.Get finalURL removal missed earlier
fix windows build: http.Get finalURL removal missed earlier

Not sure why this only broke Windows. Make test is only run
on windows for that directory?

TBR=golang-dev

R=golang-dev
CC=golang-dev
http://codereview.appspot.com/4545044

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