[PATCH] fix typo in capi driver

I didn't have ISDN builds on in my tree for some reason hence missing these
two from the tidy ups at the end. Marcel Holtmann also came up with the
same fixes although I didnt find that email until I did these.

Signed-off-by: Alan Cox

drivers/isdn/capi/capi.c

@@ -646,7 +646,7 @@ static void capi_recv_message(struct capi20_appl *ap, struct sk_buff *skb)
 		kfree_skb(skb);
 		(void)capiminor_del_ack(mp, datahandle);
 		if (mp->tty)
-			tty_wakeup(tty);
+			tty_wakeup(mp->tty);
 		(void)handle_minor_send(mp);
 
 	} else {