[IPV4]: The scheduled removal of multipath cached routing support.

With help from Chris Wedgwood.

Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/include/linux/rtnetlink.h b/include/linux/rtnetlink.h
index 1fae30a..6127858 100644
--- a/include/linux/rtnetlink.h
+++ b/include/linux/rtnetlink.h
@@ -261,7 +261,7 @@
 	RTA_FLOW,
 	RTA_CACHEINFO,
 	RTA_SESSION,
-	RTA_MP_ALGO,
+	RTA_MP_ALGO, /* no longer used */
 	RTA_TABLE,
 	__RTA_MAX
 };