korina: count RX DMA OVR as rx_fifo_error

This way, RX DMA overruns (actually being caused by overrun of the
512byte input FIFO) show up in ifconfig output. The rx_fifo_errors
counter is unused otherwise.
Signed-off-by: Phil Sutter <phil@nwl.cc>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/korina.c

@@ -376,7 +376,7 @@ static int korina_rx(struct net_device *dev, int limit)
 		if (devcs & ETH_RX_LE)
 			dev->stats.rx_length_errors++;
 		if (devcs & ETH_RX_OVR)
-			dev->stats.rx_over_errors++;
+			dev->stats.rx_fifo_errors++;
 		if (devcs & ETH_RX_CV)
 			dev->stats.rx_frame_errors++;
 		if (devcs & ETH_RX_CES)