[netdrvr sis190] pass irq argument to synchronize_irq()

Looks like this driver wasn't tested on SMP :)

drivers/net/sis190.c

@@ -1112,7 +1112,7 @@ SiS190_close(struct net_device *dev)
 
 	spin_unlock_irq(&tp->lock);
 
-	synchronize_irq();
+	synchronize_irq(dev->irq);
 	free_irq(dev->irq, dev);
 
 	SiS190_tx_clear(tp);