[IPV6]: Put dsthao after flags in order to pack inet6_skb_parm better.

Signed-off-by: David S. Miller <davem@davemloft.net>

include/linux/ipv6.h

@@ -226,12 +226,12 @@ struct inet6_skb_parm {
 	__u16			dst0;
 	__u16			srcrt;
 	__u16			dst1;
-#ifdef CONFIG_IPV6_MIP6
-	__u16			dsthao;
-#endif
 	__u16			lastopt;
 	__u32			nhoff;
 	__u16			flags;
+#ifdef CONFIG_IPV6_MIP6
+	__u16			dsthao;
+#endif
 
 #define IP6SKB_XFRM_TRANSFORMED	1
 };