[IPV6]: annotate struct frag_hdr

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>

include/net/ipv6.h

@@ -95,10 +95,10 @@
  */
 
 struct frag_hdr {
-	unsigned char	nexthdr;
-	unsigned char	reserved;	
-	unsigned short	frag_off;
-	__u32		identification;
+	__u8	nexthdr;
+	__u8	reserved;
+	__be16	frag_off;
+	__be32	identification;
 };
 
 #define	IP6_MF	0x0001