Add third_party/yasm/binaries to .gitignore.
Add third_party/yasm/binaries to .gitignore.

So 'git status' doesn't report it as untracked. And I stop bothering with this. :)

BUG=None
TEST=run 'git status', you shouldn't see git complaining about it anymore.

Review URL: http://codereview.chromium.org/6092001

git-svn-id: http://src.chromium.org/svn/trunk/src@69893 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

Former-commit-id: 4fbf5b50b6dda06bd84a4d61b8a043f8dc723d4a
meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser