xfrm: Const'ify tmpl and address arguments to ->init_temprop()

Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/include/net/xfrm.h b/include/net/xfrm.h
index 6ef5c37..46f4470 100644
--- a/include/net/xfrm.h
+++ b/include/net/xfrm.h
@@ -302,8 +302,10 @@
 	int			(*init_flags)(struct xfrm_state *x);
 	void			(*init_tempsel)(struct xfrm_selector *sel,
 						const struct flowi *fl);
-	void			(*init_temprop)(struct xfrm_state *x, struct xfrm_tmpl *tmpl,
-						xfrm_address_t *daddr, xfrm_address_t *saddr);
+	void			(*init_temprop)(struct xfrm_state *x,
+						const struct xfrm_tmpl *tmpl,
+						const xfrm_address_t *daddr,
+						const xfrm_address_t *saddr);
 	int			(*tmpl_sort)(struct xfrm_tmpl **dst, struct xfrm_tmpl **src, int n);
 	int			(*state_sort)(struct xfrm_state **dst, struct xfrm_state **src, int n);
 	int			(*output)(struct sk_buff *skb);