Accounting for wrap-around of timestamps.

BUG=
R=henrik.lundin@webrtc.org

Review URL: https://webrtc-codereview.appspot.com/2340006

git-svn-id: http://webrtc.googlecode.com/svn/trunk/webrtc@4932 4adac7df-926f-26a2-2b94-8c16560cd09d
1 file changed