rtpcodecnego: Don't deadloop if codec isn't valid for sending
rtpcodecnego: Don't deadloop if codec isn't valid for sending

shadeslayer/farstream,shadeslayer/farstream,tieto/farstream,ahmedammar/skype_farsight2,pexip/farstream,shadeslayer/farstream,kakaroto/farstream,tieto/farstream,pexip/farstream,pexip/farstream,tieto/farstream,pexip/farstream,tieto/farstream,kakaroto/farstream,ahmedammar/skype_farsight2,tieto/farstream,kakaroto/farstream,ahmedammar/skype_farsight2,shadeslayer/farstream,kakaroto/farstream,ahmedammar/skype_farsight2