Pass allocated unit number to make_dev, otherwise kernel panics later while

cloning second tap.

Reviewed by: kevlo,ed

sys/net/if_tap.c

@@ -186,7 +186,7 @@ tap_clone_create(struct if_clone *ifc, int unit, caddr_t params)
 	/* Find any existing device, or allocate new unit number. */
 	i = clone_create(&tapclones, &tap_cdevsw, &unit, &dev, 0);
 	if (i) {
-		dev = make_dev(&tap_cdevsw, 0, UID_ROOT, GID_WHEEL, 0600,
+		dev = make_dev(&tap_cdevsw, unit, UID_ROOT, GID_WHEEL, 0600,
 		    "%s%d", tapname, unit);
 	}