tg3: 64 bit stats on all arches

Now core network is able to handle 64 bit netdevice stats on 32 bit
arches, we can provide them for tg3, since hardware maintains 64 bit
counters.

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/tg3.h b/drivers/net/tg3.h
index 6b6af76..b72ac52 100644
--- a/drivers/net/tg3.h
+++ b/drivers/net/tg3.h
@@ -2772,8 +2772,8 @@
 
 
 	/* begin "everything else" cacheline(s) section */
-	struct net_device_stats		net_stats;
-	struct net_device_stats		net_stats_prev;
+	struct rtnl_link_stats64	net_stats;
+	struct rtnl_link_stats64	net_stats_prev;
 	struct tg3_ethtool_stats	estats;
 	struct tg3_ethtool_stats	estats_prev;