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/net/bluetooth/bnep/bnep.h b/net/bluetooth/bnep/bnep.h
index 0d9e506..70672544 100644
--- a/net/bluetooth/bnep/bnep.h
+++ b/net/bluetooth/bnep/bnep.h
@@ -86,26 +86,26 @@
 	__u8  ctrl;
 	__u8  uuid_size;
 	__u8  service[0];
-} __attribute__((packed));
+} __packed;
 
 struct bnep_set_filter_req {
 	__u8  type;
 	__u8  ctrl;
 	__be16 len;
 	__u8  list[0];
-} __attribute__((packed));
+} __packed;
 
 struct bnep_control_rsp {
 	__u8  type;
 	__u8  ctrl;
 	__be16 resp;
-} __attribute__((packed));
+} __packed;
 
 struct bnep_ext_hdr {
 	__u8  type;
 	__u8  len;
 	__u8  data[0];
-} __attribute__((packed));
+} __packed;
 
 /* BNEP ioctl defines */
 #define BNEPCONNADD	_IOW('B', 200, int)