Fix regression where the issue description to be updated when closing an issue on commit/push.
Fix regression where the issue description to be updated when closing an issue on commit/push.

The regression was introduced in r87253.

TBR=dpranke@chromium.org
BUG=
TEST=

git-svn-id: bd64dd6fa6f3f0ed0c0666d1018379882b742947@87550 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

svn2github/chromium-depot-tools,svn2github/chromium-depot-tools,svn2github/chromium-depot-tools