When creating a new packet don't try to stop retransmission of it. It was just allocated/created so it's impossible for it to have already been scheduled.

(closes issue #10945)
Reported by: flefoll
Patches:
      chan_sip.c.br14.85280.xmit_reliable-patch uploaded by flefoll (license 244)


git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.4@85397 65c4cc65-6c06-0410-ace0-fbb531ad65f3

channels/chan_sip.c

@@ -2030,8 +2030,6 @@ static enum sip_result __sip_reliable_xmit(struct sip_pvt *p, int seqno, int res
 		siptimer_a = pkt->timer_t1 * 2;
 
 	/* Schedule retransmission */
-	if (pkt->retransid > -1)
-		ast_sched_del(sched, pkt->retransid);
 	pkt->retransid = ast_sched_add_variable(sched, siptimer_a, retrans_pkt, pkt, 1);
 	if (option_debug > 3 && sipdebug)
 		ast_log(LOG_DEBUG, "*** SIP TIMER: Initializing retransmit timer on packet: Id  #%d\n", pkt->retransid);