- Do not require a space at the end of the m= string in a T38 re-invite

Bug reported in the t38 issue report, but by mistake ignored before commit.
  Thanks to everyone informing me about this, and Corydon for helping me sort
  out sscanf :-)


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@34217 65c4cc65-6c06-0410-ace0-fbb531ad65f3

channels/chan_sip.c

@@ -4542,9 +4542,9 @@ static int process_sdp(struct sip_pvt *p, struct sip_request *req)
 					ast_verbose("Found RTP video format %d\n", codec);
 				ast_rtp_set_m_type(newvideortp, codec);
 			}
-		} else if (p->udptl && (sscanf(m, "image %d udptl t38 %n", &x, &len) == 1)) {
+		} else if (p->udptl && ((sscanf(m, "image %d udptl t38%n", &x, &len) == 1)) {
 			if (debug)
-				ast_verbose("Got T.38 offer in SDP\n");
+				ast_verbose("Got T.38 offer in SDP in dialog %s\n", p->callid);
 			udptlportno = x;
 			
 			if (p->owner && p->lastinvite) {