Check the proper page for the SENDRPID flag.

If a pending reinvite were sent, we might not properly
send connected party info since we were checking the wrong
flag. This was a rare occurrence, but could still happen
nevertheless.



git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@223617 65c4cc65-6c06-0410-ace0-fbb531ad65f3

channels/chan_sip.c

@@ -10670,7 +10670,7 @@ static int transmit_reinvite_with_sdp(struct sip_pvt *p, int t38version, int old
 			add_header(&req, "X-asterisk-Info", "SIP re-invite (External RTP bridge)");
 	}
 
-	if (ast_test_flag(&p->flags[1], SIP_SENDRPID))
+	if (ast_test_flag(&p->flags[0], SIP_SENDRPID))
 		add_rpid(&req, p);
 
 	if (p->do_history)