Require a gclient line match to match the full line so it's less likely to bind to a git hash.
Require a gclient line match to match the full line so it's less likely to bind to a git hash.

BUG=none
TEST=none
Review URL: http://codereview.chromium.org/6870014

git-svn-id: 239fca9b83025a0b6f823aeeca02ba5be3d9fd76@81793 0039d316-1c4b-4281-b951-d872f2087c98

eunchong/build,eunchong/build,eunchong/build,eunchong/build