Trivial: remove duplicate line #include <sys/types.h>
Trivial: remove duplicate line #include <sys/types.h>

R=golang-dev, gri
CC=golang-dev
http://codereview.appspot.com/645044

Committer: Robert Griesemer <a6752097faebf1f02d80107d77a9be009089afe3@golang.org>

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