[XFRM]: Remove unused exports.

This patch removes the following no longer used EXPORT_SYMBOL's:
- xfrm_input.c: xfrm_parse_spi
- xfrm_state.c: xfrm_replay_check
- xfrm_state.c: xfrm_replay_advance

Signed-off-by: Adrian Bunk <[e-mail]>
Signed-off-by: David S. Miller <[e-mail]>

net/xfrm/xfrm_input.c

···
 	*seq = *(__be32*)(skb_transport_header(skb) + offset_seq);
 	return 0;
 }
-EXPORT_SYMBOL(xfrm_parse_spi);
 
 int xfrm_prepare_input(struct xfrm_state *x, struct sk_buff *skb)
 {

net/xfrm/xfrm_state.c

···
 	xfrm_audit_state_replay(x, skb, net_seq);
 	return -EINVAL;
 }
-EXPORT_SYMBOL(xfrm_replay_check);
 
 void xfrm_replay_advance(struct xfrm_state *x, __be32 net_seq)
 {
···
 	if (xfrm_aevent_is_on())
 		xfrm_replay_notify(x, XFRM_REPLAY_UPDATE);
 }
-EXPORT_SYMBOL(xfrm_replay_advance);
 
 static LIST_HEAD(xfrm_km_list);
 static DEFINE_RWLOCK(xfrm_km_lock);