net: Fix definition of netif_vdbg() when VERBOSE_DEBUG is not defined

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

include/linux/netdevice.h

@@ -2334,7 +2334,7 @@ do {								\
 #define netif_vdbg(priv, type, dev, format, args...)		\
 ({								\
 	if (0)							\
-		netif_printk(KERN_DEBUG, dev, format, ##args);	\
+		netif_printk(priv, type, KERN_DEBUG, dev, format, ##args); \
 	0;							\
 })
 #endif