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/linux/if_hippi.h b/include/linux/if_hippi.h
index 8d038eb..5fe5f30 100644
--- a/include/linux/if_hippi.h
+++ b/include/linux/if_hippi.h
@@ -104,7 +104,7 @@
 	__be32		fixed;
 #endif
 	__be32		d2_size;
-} __attribute__ ((packed));
+} __packed;
 
 struct hippi_le_hdr {
 #if defined (__BIG_ENDIAN_BITFIELD)
@@ -129,7 +129,7 @@
 	__u8		daddr[HIPPI_ALEN];
 	__u16		locally_administered;
 	__u8		saddr[HIPPI_ALEN];
-} __attribute__ ((packed));
+} __packed;
 
 #define HIPPI_OUI_LEN	3
 /*
@@ -142,12 +142,12 @@
 	__u8	ctrl;			/* always 0x03 */
 	__u8	oui[HIPPI_OUI_LEN];	/* organizational universal id (zero)*/
 	__be16	ethertype;		/* packet type ID field */
-} __attribute__ ((packed));
+} __packed;
 
 struct hippi_hdr {
 	struct hippi_fp_hdr	fp;
 	struct hippi_le_hdr	le;
 	struct hippi_snap_hdr	snap;
-} __attribute__ ((packed));
+} __packed;
 
 #endif	/* _LINUX_IF_HIPPI_H */