TT#136952 fix cw_printf() in cli_list_tag_info()

Use `->subscribers.head` instead of `->subscriptions.head`
for the second logging.

Change-Id: Iaaff61aebbe8bcd421a0159f5490903c0ea9c4ea
(cherry picked from commit d9f12ce)

daemon/cli.c

@@ -662,7 +662,7 @@ static void cli_list_tag_info(struct cli_writer *cw, struct call_monologue *ml)
 		cw->cw_printf(cw, "---     subscribed to '" STR_FORMAT_M "'\n",
 				STR_FMT_M(&csm->tag));
 	}
-	for (GList *sub = ml->subscriptions.head; sub; sub = sub->next) {
+	for (GList *sub = ml->subscribers.head; sub; sub = sub->next) {
 		struct call_subscription *cs = sub->data;
 		struct call_monologue *csm = cs->monologue;
 		cw->cw_printf(cw, "---     subscription of '" STR_FORMAT_M "'\n",