xfrm: Const'ify xfrm_address_t args to xfrm_state_find.

This required a const'ification in xfrm_init_tempstate() too.

Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/include/net/xfrm.h b/include/net/xfrm.h
index 3205e5e..44dccfc 100644
--- a/include/net/xfrm.h
+++ b/include/net/xfrm.h
@@ -1334,8 +1334,8 @@
 			   int (*func)(struct xfrm_state *, int, void*), void *);
 extern void xfrm_state_walk_done(struct xfrm_state_walk *walk);
 extern struct xfrm_state *xfrm_state_alloc(struct net *net);
-extern struct xfrm_state *xfrm_state_find(xfrm_address_t *daddr,
-					  xfrm_address_t *saddr, 
+extern struct xfrm_state *xfrm_state_find(const xfrm_address_t *daddr,
+					  const xfrm_address_t *saddr,
 					  const struct flowi *fl,
 					  struct xfrm_tmpl *tmpl,
 					  struct xfrm_policy *pol, int *err,