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/c101.c b/drivers/net/wan/c101.c
index c2cc42f..c8e5631 100644
--- a/drivers/net/wan/c101.c
+++ b/drivers/net/wan/c101.c
@@ -133,9 +133,9 @@
 	sca_out(stat & (ST1_UDRN | ST1_CDCD), MSCI0_OFFSET + ST1, port);
 
 	if (stat & ST1_UDRN) {
-		struct net_device_stats *stats = hdlc_stats(port_to_dev(port));
-		stats->tx_errors++; /* TX Underrun error detected */
-		stats->tx_fifo_errors++;
+		/* TX Underrun error detected */
+		port_to_dev(port)->stats.tx_errors++;
+		port_to_dev(port)->stats.tx_fifo_errors++;
 	}
 
 	stat = sca_in(MSCI1_OFFSET + ST1, port); /* read MSCI1 ST1 status */