get event callbacks after you shutdown a ua so that we can handle call cleanup. …

get event callbacks after you shutdown a ua so that we can handle call cleanup.  Still to come on this is a tag to properly set this behavior.

git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@5111 d0543943-73ff-0310-b7d9-9358b9ac24b2

libs/sofia-sip/libsofia-sip-ua/nua/nua_stack.c

@@ -271,7 +271,9 @@ int nua_stack_event(nua_t *nua, nua_handle_t *nh, msg_t *msg,
   if ((event > nua_r_authenticate && event <= nua_r_ack)
       || event < nua_i_error
       || (nh && !nh->nh_valid)
-      || (nua->nua_shutdown && event != nua_r_shutdown)) {
+	  /* disable hiding all events after shutdown so that we can get state callbacks to properly tear down our calls */
+      /* || (nua->nua_shutdown && event != nua_r_shutdown) */
+	  ) {
     if (msg)
       msg_destroy(msg);
     return event;