session: fix node runtime in pre-input queue handler

Call session queue node with the right node runtime instead of the
pre-input node runtime.

Type: fix

Change-Id: I43d20bed4930fc877b187ce7ecdce62034b393c5
Signed-off-by: Florin Coras <fcoras@cisco.com>
(cherry picked from commit 2d8829cbb5)

src/vnet/session/session_node.c

@@ -1592,6 +1592,7 @@ session_queue_pre_input_inline (vlib_main_t * vm, vlib_node_runtime_t * node,
   session_main_t *sm = &session_main;
   if (!sm->wrk[0].vpp_event_queue)
     return 0;
+  node = vlib_node_get_runtime (vm, session_queue_node.index);
   return session_queue_node_fn (vm, node, frame);
 }