[XFRM]: Fix aevent structuring to be more complete.

aevents can not uniquely identify an SA. We break the ABI with this
patch, but consensus is that since it is not yet utilized by any
(known) application then it is fine (better do it now than later).

Signed-off-by: Jamal Hadi Salim <hadi@cyberus.ca>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/include/linux/xfrm.h b/include/linux/xfrm.h
index 7907c42..088ba81 100644
--- a/include/linux/xfrm.h
+++ b/include/linux/xfrm.h
@@ -289,7 +289,9 @@
 
 struct xfrm_aevent_id {
 	struct xfrm_usersa_id		sa_id;
+	xfrm_address_t			saddr;
 	__u32				flags;
+	__u32				reqid;
 };
 
 struct xfrm_userspi_info {