bail if ast_calloc fails, this was done before but i accidently removed it when

moving these allocations so duplicate error messages were not produced
(issue #7345)


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@34663 65c4cc65-6c06-0410-ace0-fbb531ad65f3

channels/chan_jingle.c

@@ -536,6 +536,8 @@ static int jingle_create_candidates(struct jingle *client, struct jingle_pvt *p,
 	}
 	ours1 = ast_calloc(1, sizeof(*ours1));
 	ours2 = ast_calloc(1, sizeof(*ours2));
+	if (!ours1 || !ours2)
+		goto safeout;
 	iks_insert_node(iq, jingle);
 	iks_insert_node(jingle, candidate);