netdrv: Fix unregister_netdev typos

Found during the (partial) unregister_netdevice audit that we didn't
have to have :)

It looks like a couple of Sun NIC drivers had unregister_netdevice
when they really meant unregister_netdev.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/myri_sbus.c b/drivers/net/myri_sbus.c
index 656a260..06e6823 100644
--- a/drivers/net/myri_sbus.c
+++ b/drivers/net/myri_sbus.c
@@ -1118,7 +1118,7 @@
 	struct myri_eth *mp = dev_get_drvdata(&dev->dev);
 	struct net_device *net_dev = mp->dev;
 
-	unregister_netdevice(net_dev);
+	unregister_netdev(net_dev);
 
 	free_irq(net_dev->irq, net_dev);