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/ncp_fs_sb.h b/include/linux/ncp_fs_sb.h
index 5ec9ca6..8da05bc 100644
--- a/include/linux/ncp_fs_sb.h
+++ b/include/linux/ncp_fs_sb.h
@@ -104,13 +104,13 @@
 
 		unsigned int state;		/* STREAM only: receiver state */
 		struct {
-			__u32 magic __attribute__((packed));
-			__u32 len __attribute__((packed));
-			__u16 type __attribute__((packed));
-			__u16 p1 __attribute__((packed));
-			__u16 p2 __attribute__((packed));
-			__u16 p3 __attribute__((packed));
-			__u16 type2 __attribute__((packed));
+			__u32 magic __packed;
+			__u32 len __packed;
+			__u16 type __packed;
+			__u16 p1 __packed;
+			__u16 p2 __packed;
+			__u16 p3 __packed;
+			__u16 type2 __packed;
 		} buf;				/* STREAM only: temporary buffer */
 		unsigned char* ptr;		/* STREAM only: pointer to data */
 		size_t len;			/* STREAM only: length of data to receive */