don't create fork contexts if no dispatching occurs. This fixes a bug where fork context wasn't informed if 480 or 404 was answered on the incoming transaction by the server.
don't create fork contexts if no dispatching occurs.
This fixes a bug where fork context wasn't informed if 480 or 404 was answered on the incoming transaction by the server.

BelledonneCommunications/flexisip,biddyweb/flexisip,gale320/flexisip,BelledonneCommunications/flexisip,BelledonneCommunications/flexisip,BelledonneCommunications/flexisip,biddyweb/flexisip,gale320/flexisip,gale320/flexisip,biddyweb/flexisip,gale320/flexisip,biddyweb/flexisip