
In r7380, the command line flag --ssrc was added to neteq_rtpplay. However, it was not possible to omit that flag, since the validation did not accept an empty string. This CL fixes that. TBR=kwiberg@webrtc.org BUG=2692 Review URL: https://webrtc-codereview.appspot.com/24869004 git-svn-id: http://webrtc.googlecode.com/svn/trunk@7382 4adac7df-926f-26a2-2b94-8c16560cd09d