session: add rule tags

Change-Id: Id5ebb410f509ac4c83d60e48efd54e00035e5ce6
Signed-off-by: Florin Coras <fcoras@cisco.com>
diff --git a/src/vnet/session/session.api b/src/vnet/session/session.api
index 8de0922..6ed75ef 100644
--- a/src/vnet/session/session.api
+++ b/src/vnet/session/session.api
@@ -395,6 +395,7 @@
   u8 is_add;
   u32 appns_index;
   u8 scope;
+  u8 tag[64];
 };
 
 /** \brief Dump session rules
@@ -439,6 +440,7 @@
   u32 action_index;
   u32 appns_index;
   u8 scope;
+  u8 tag[64];
 };
 
 /*