vcl/session: use mq for bind replies

Change-Id: Iac6e1c32cf99c5392a29f7366401b7fc39e463e3
Signed-off-by: Florin Coras <fcoras@cisco.com>
diff --git a/src/vnet/session/session.h b/src/vnet/session/session.h
index 63ed83d..184fa99 100644
--- a/src/vnet/session/session.h
+++ b/src/vnet/session/session.h
@@ -39,6 +39,7 @@
   FIFO_EVENT_DISCONNECT,
   FIFO_EVENT_BUILTIN_RX,
   FIFO_EVENT_RPC,
+  SESSION_CTRL_EVT_BOUND,
   SESSION_CTRL_EVT_ACCEPTED,
   SESSION_CTRL_EVT_ACCEPTED_REPLY,
   SESSION_CTRL_EVT_CONNECTED,