fix defect http://code.google.com/p/webrtc/issues/detail?id=215, audio device is not stopped appropriately.
Review URL: http://webrtc-codereview.appspot.com/350008

git-svn-id: http://webrtc.googlecode.com/svn/trunk@1427 4adac7df-926f-26a2-2b94-8c16560cd09d
1 file changed