The two files were identical except for comments.

Change-Id: Ifc300026c8e4584afa50a7b669099eaff146ea5d
Reviewed-on: https://go-review.googlesource.com/36631
Run-TryBot: Ian Lance Taylor <iant@golang.org>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>