WAN: convert drivers to use built-in netdev_stats

There is no point in using separate net_device_stats structs when
the one in struct net_device is present. Compiles.

Signed-off-by: Krzysztof HaƂasa <khc@pm.waw.pl>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
diff --git a/drivers/net/wan/hdlc.c b/drivers/net/wan/hdlc.c
index 7f98489..e3a5364 100644
--- a/drivers/net/wan/hdlc.c
+++ b/drivers/net/wan/hdlc.c
@@ -57,7 +57,7 @@
 
 static struct net_device_stats *hdlc_get_stats(struct net_device *dev)
 {
-	return hdlc_stats(dev);
+	return &dev->stats;
 }