CL 113837 introduced some changes which were not properly gofmt'ed, fix them.

Change-Id: I89329063f9c468238051e45380d752e66efdb939
Reviewed-on: https://go-review.googlesource.com/116895
Run-TryBot: Tobias Klauser <tobias.klauser@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>