Fix colorization bug in git_map.
Fix colorization bug in git_map.

Previously BRIGHT+WHITE would wrap around to the asterisk on the next line.

R=agable@chromium.org
BUG=

Review URL: https://codereview.chromium.org/224933003

git-svn-id: bd64dd6fa6f3f0ed0c0666d1018379882b742947@261783 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

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