net: use __packed annotation

cleanup patch.

Use new __packed annotation in net/ and include/
(except netfilter)

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/include/net/ipx.h b/include/net/ipx.h
index ef51a66..05d7e4a 100644
--- a/include/net/ipx.h
+++ b/include/net/ipx.h
@@ -27,9 +27,9 @@
 #define IPX_MAX_PPROP_HOPS 8
 
 struct ipxhdr {
-	__be16			ipx_checksum __attribute__ ((packed));
+	__be16			ipx_checksum __packed;
 #define IPX_NO_CHECKSUM	cpu_to_be16(0xFFFF)
-	__be16			ipx_pktsize __attribute__ ((packed));
+	__be16			ipx_pktsize __packed;
 	__u8			ipx_tctrl;
 	__u8			ipx_type;
 #define IPX_TYPE_UNKNOWN	0x00
@@ -38,8 +38,8 @@
 #define IPX_TYPE_SPX		0x05	/* SPX protocol */
 #define IPX_TYPE_NCP		0x11	/* $lots for docs on this (SPIT) */
 #define IPX_TYPE_PPROP		0x14	/* complicated flood fill brdcast */
-	struct ipx_address	ipx_dest __attribute__ ((packed));
-	struct ipx_address	ipx_source __attribute__ ((packed));
+	struct ipx_address	ipx_dest __packed;
+	struct ipx_address	ipx_source __packed;
 };
 
 static __inline__ struct ipxhdr *ipx_hdr(struct sk_buff *skb)