header: fix broken headers for user space

__packed is only defined in kernel space, so we should use
__attribute__((packed)) for the code shared between kernel and user space.

Two __attribute() annotations are replaced with __attribute__() too.

Signed-off-by: Changli Gao <xiaosuo@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/include/linux/phonet.h b/include/linux/phonet.h
index 24426c3..76edadf 100644
--- a/include/linux/phonet.h
+++ b/include/linux/phonet.h
@@ -56,7 +56,7 @@
 	__be16	pn_length;
 	__u8	pn_robj;
 	__u8	pn_sobj;
-} __packed;
+} __attribute__((packed));
 
 /* Common Phonet payload header */
 struct phonetmsg {
@@ -98,7 +98,7 @@
 	__u8 spn_dev;
 	__u8 spn_resource;
 	__u8 spn_zero[sizeof(struct sockaddr) - sizeof(sa_family_t) - 3];
-} __packed;
+} __attribute__((packed));
 
 /* Well known address */
 #define PN_DEV_PC	0x10