session: use listener_handle instead of listener_index

Type: refactor

Change-Id: I97fa59a0ba0b6b7a98698926020ffffcf6ae6ba3
Signed-off-by: Nathan Skrzypczak <nathan.skrzypczak@gmail.com>
diff --git a/src/vnet/session/session_api.c b/src/vnet/session/session_api.c
index da62c85..9e7a42d 100755
--- a/src/vnet/session/session_api.c
+++ b/src/vnet/session/session_api.c
@@ -196,7 +196,7 @@
 
   if (session_has_transport (s))
     {
-      listener = listen_session_get (s->listener_index);
+      listener = listen_session_get_from_handle (s->listener_handle);
       mp->listener_handle = app_listen_session_handle (listener);
       if (application_is_proxy (app))
 	{
@@ -217,7 +217,7 @@
       ct_connection_t *ct;
 
       ct = (ct_connection_t *) session_get_transport (s);
-      listener = listen_session_get (s->listener_index);
+      listener = listen_session_get_from_handle (s->listener_handle);
       mp->listener_handle = app_listen_session_handle (listener);
       mp->rmt.is_ip4 = session_type_is_ip4 (listener->session_type);
       mp->rmt.port = ct->c_rmt_port;