Work around the weirdness of sed(1) on Darwin.

Fixes #94.

Change-Id: I647f8d1e99f1b5c5f36b4ea08b4740d5519e0daf
Reviewed-on: https://code-review.googlesource.com/4850
Reviewed-by: Paul Wankadia <junyer@google.com>
1 file changed