Try to do Packet2Packet bridging with chan_h323 if reinviting isn't enabled.

(closes issue #11901)
Reported by: pj


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@103955 65c4cc65-6c06-0410-ace0-fbb531ad65f3

channels/chan_h323.c

@@ -3082,10 +3082,10 @@ static struct ast_cli_entry cli_h323_reload =
 static enum ast_rtp_get_result oh323_get_rtp_peer(struct ast_channel *chan, struct ast_rtp **rtp)
 {
 	struct oh323_pvt *pvt;
-	enum ast_rtp_get_result res = AST_RTP_GET_FAILED;
+	enum ast_rtp_get_result res = AST_RTP_TRY_PARTIAL;
 
 	if (!(pvt = (struct oh323_pvt *)chan->tech_pvt))
-		return res;
+		return AST_RTP_GET_FAILED;
 
 	ast_mutex_lock(&pvt->lock);
 	if (pvt->rtp && pvt->options.bridge) {