Add *.DS_Store to .gitignore so that ._.DS_Store is ignored too.

BUG=
R=stefan@webrtc.org

Review URL: https://webrtc-codereview.appspot.com/1698004

git-svn-id: http://webrtc.googlecode.com/svn/trunk@4265 4adac7df-926f-26a2-2b94-8c16560cd09d
1 file changed