ms_bufferizer_flush(): must set size = 0
ms_bufferizer_flush(): must set size = 0

git-svn-id: 8f60b0cb95795e7f2da4f2192af0e1f6ffac8291@753 3f6dc0c8-ddfe-455d-9043-3cd528dc4637

wugh7125/ortp,samueljero/linphone-oRTP,caizw/ortp,wugh7125/ortp,jiangjianping/ortp,jiangjianping/ortp,samueljero/linphone-oRTP,Distrotech/oRTP,jiangjianping/ortp,carpikes/ortp,videomedicine/oRTP,Linphone-sync/oRTP,samueljero/linphone-oRTP,dmonakhov/ortp,dozeo/ortp,Linphone-sync/oRTP,VTCSecureLLC/ortp,dozeo/ortp,dmonakhov/ortp,videomedicine/oRTP,dmonakhov/ortp,VTCSecureLLC/ortp,caizw/ortp,carpikes/ortp,avis/ortp,carpikes/ortp,dozeo/ortp,videomedicine/oRTP,avis/ortp,Distrotech/oRTP,Linphone-sync/oRTP,avis/ortp,wugh7125/ortp,Distrotech/oRTP,VTCSecureLLC/ortp,caizw/ortp