[NET]: make net/core/dev.c:netdev_nit static

netdev_nit can now become static.
Signed-off-by: Adrian Bunk <bunk@stusta.de>
Signed-off-by: David S. Miller <davem@davemloft.net>

include/linux/netdevice.h

@@ -699,7 +699,6 @@ extern int		dev_hard_start_xmit(struct sk_buff *skb,
 
 extern void		dev_init(void);
 
-extern int		netdev_nit;
 extern int		netdev_budget;
 
 /* Called by rtnetlink.c:rtnl_unlock() */

net/core/dev.c

@@ -230,7 +230,7 @@ extern void netdev_unregister_sysfs(struct net_device *);
  *	For efficiency
  */
 
-int netdev_nit;
+static int netdev_nit;
 
 /*
  *	Add a protocol ID to the list. Now that the input handler is