.gitignore: + /third_party/{clang_format,usrcsctp}

clang_format and usrcsctp are both synced in through gclient and should
be suppressed.

BUG=
R=andrew@webrtc.org

Review URL: https://webrtc-codereview.appspot.com/8159004

git-svn-id: http://webrtc.googlecode.com/svn/trunk@5532 4adac7df-926f-26a2-2b94-8c16560cd09d
1 file changed