hostap: convert to internal net_device_stats

Use pre-existing net_device_stats in network_device struct.

Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/wireless/hostap/hostap_ap.c b/drivers/net/wireless/hostap/hostap_ap.c
index 645862f..a2a203c 100644
--- a/drivers/net/wireless/hostap/hostap_ap.c
+++ b/drivers/net/wireless/hostap/hostap_ap.c
@@ -2262,7 +2262,7 @@
 	if (skb->len < 16)
 		goto drop;
 
-	local->stats.rx_packets++;
+	dev->stats.rx_packets++;
 
 	hdr = (struct ieee80211_hdr *) skb->data;