neigh: align nlattr properly when needed

Signed-off-by: NNicolas Dichtel <nicolas.dichtel@6wind.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

net/core/neighbour.c

@@ -1857,7 +1857,8 @@ static int neightbl_fill_info(struct sk_buff *skb, struct neigh_table *tbl,
 			ndst.ndts_table_fulls		+= st->table_fulls;
 		}
 
-		if (nla_put(skb, NDTA_STATS, sizeof(ndst), &ndst))
+		if (nla_put_64bit(skb, NDTA_STATS, sizeof(ndst), &ndst,
+				  NDTA_PAD))
 			goto nla_put_failure;
 	}