[XFRM]: Export xfrm_policy_delete()

Will be needed for DCCP.
Signed-off-by: Arnaldo Carvalho de Melo <acme@conectiva.com.br>
Signed-off-by: David S. Miller <davem@davemloft.net>

net/xfrm/xfrm_policy.c

@@ -548,6 +548,8 @@ void xfrm_policy_delete(struct xfrm_policy *pol, int dir)
 	}
 }
 
+EXPORT_SYMBOL(xfrm_policy_delete);
+
 int xfrm_sk_policy_insert(struct sock *sk, int dir, struct xfrm_policy *pol)
 {
 	struct xfrm_policy *old_pol;