Fix crash during attended transfer over PRI.

The owner pointers in the sig_pri_chan structure were not getting updated
in dahdi_fixup. 


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@217804 65c4cc65-6c06-0410-ace0-fbb531ad65f3

channels/chan_dahdi.c

@@ -6315,7 +6315,15 @@ static int dahdi_fixup(struct ast_channel *oldchan, struct ast_channel *newchan)
 
 	if (analog_lib_handles(p->sig, p->radio, p->oprmode)) {
 		analog_fixup(oldchan, newchan, p->sig_pvt);
+	} 
+#ifdef HAVE_PRI
+	else if (dahdi_sig_pri_lib_handles(p->sig)) {
+		struct sig_pri_chan *pchan = p->sig_pvt;
+		if (pchan->owner == oldchan) {
+			pchan->owner = newchan;
+		}
 	}
+#endif
 
 	update_conf(p);
 	ast_mutex_unlock(&p->lock);