net: remove last uses of __attribute__((packed))

Network code uses the __packed macro instead of __attribute__((packed)).
Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
Signed-off-by: David S. Miller <davem@davemloft.net>

include/net/mac80211.h

@@ -412,7 +412,7 @@ struct ieee80211_tx_rate {
 	s8 idx;
 	u8 count;
 	u8 flags;
-} __attribute__((packed));
+} __packed;
 
 /**
  * struct ieee80211_tx_info - skb transmit information

net/ipv4/netfilter/ipt_CLUSTERIP.c

@@ -469,7 +469,7 @@ struct arp_payload {
 	__be32 src_ip;
 	u_int8_t dst_hw[ETH_ALEN];
 	__be32 dst_ip;
-} __attribute__ ((packed));
+} __packed;
 
 #ifdef DEBUG
 static void arp_print(struct arp_payload *payload)