go/build: make sure syslist.go is gofmted
go/build: make sure syslist.go is gofmted

R=golang-dev, mikioh.mikioh
CC=golang-dev
http://codereview.appspot.com/5490051

tav/go,tav/go,tav/go,tav/go,tav/go,tav/go,tav/go