vlan: rename vlan_dev_info to vlan_dev_priv

As this structure is priv, name it approprietely. Also for pointer to it
use name "vlan".

Signed-off-by: Jiri Pirko <jpirko@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/include/linux/if_vlan.h b/include/linux/if_vlan.h
index 070ac50..31d7c97 100644
--- a/include/linux/if_vlan.h
+++ b/include/linux/if_vlan.h
@@ -386,7 +386,7 @@
 		unsigned int skb_priority;
 		unsigned int name_type;
 		unsigned int bind_type;
-		unsigned int flag; /* Matches vlan_dev_info flags */
+		unsigned int flag; /* Matches vlan_dev_priv flags */
         } u;
 
 	short vlan_qos;