Shut down if we run out of inputs or outputs.

adsbus/receive.c

@@ -83,7 +83,7 @@ static bool receive_autodetect_parse(struct receive *receive, struct packet *pac
 
 static void receive_del(struct receive *receive) {
 	fprintf(stderr, "R %s: Connection closed\n", receive->id);
-	peer_count_out--;
+	peer_count_in--;
 	peer_epoll_del((struct peer *) receive);
 	assert(!close(receive->peer.fd));
 	if (receive->prev) {