Merged revisions 328302 via svnmerge from

https://origsvn.digium.com/svn/asterisk/branches/1.8

........
  r328302 | rmudgett | 2011-07-14 18:12:06 -0500 (Thu, 14 Jul 2011) | 6 lines
  
  Missing SIP pvt and channel unlock in sip_set_rtp_peer().
  
  Regression introduced by -r326144.
  
  Add missing SIP pvt and channel unlock in sip_set_rtp_peer().
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git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.10@328317 65c4cc65-6c06-0410-ace0-fbb531ad65f3

channels/chan_sip.c

@@ -29075,7 +29075,9 @@ static int sip_set_rtp_peer(struct ast_channel *chan, struct ast_rtp_instance *i
 	if ((instance || vinstance || tinstance) &&
 		!ast_bridged_channel(chan) &&
 		!sip_cfg.directrtpsetup) {
-			return 0;
+		sip_pvt_unlock(p);
+		ast_channel_unlock(chan);
+		return 0;
 	}
 
 	if (p->alreadygone) {