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

Network code uses the __packed macro instead of __attribute__((packed)).

Signed-off-by: Gustavo F. Padovan <[e-mail]>
Signed-off-by: David S. Miller <[e-mail]>

include/net/mac80211.h

···
 	s8 idx;
 	u8 count;
 	u8 flags;
-} __attribute__((packed));
+} __packed;
 
 /**
  * struct ieee80211_tx_info - skb transmit information

net/ipv4/netfilter/ipt_CLUSTERIP.c

···
 	__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)