Run get_differece on new_session_created

loop.c

@@ -586,6 +586,7 @@ void dlist_cb (void *callback_extra, int success, int size, tgl_peer_id_t peers[
 int loop (void) {
   //on_start ();
   tgl_set_callback (&upd_cb);
+  //tgl_state.temp_key_expire_time = 60;
   tgl_init ();
  
   if (binlog_enabled) {
@@ -731,6 +732,7 @@ int loop (void) {
   tgl_do_get_difference (sync_from_start, get_difference_callback, 0);
   net_loop (0, dgot);
   assert (!(tgl_state.locks & TGL_LOCK_DIFF));
+  tgl_state.started = 1;
   if (wait_dialog_list) {
     d_got_ok = 0;
     tgl_do_get_dialog_list (dlist_cb, 0);

mtproto-client.c

@@ -906,7 +906,9 @@ static void work_new_session_created (struct connection *c, long long msg_id UU)
   //DC->session_id = fetch_long ();
   fetch_long (); // unique_id
   tgl_state.net_methods->get_dc (c)->server_salt = fetch_long ();
-  
+  if (tgl_state.started && !(tgl_state.locks & TGL_LOCK_DIFF)) {
+    tgl_do_get_difference (0, 0, 0);
+  }
 }
 
 static void work_msgs_ack (struct connection *c UU, long long msg_id UU) {

tgl.h

@@ -135,6 +135,7 @@ struct tgl_state {
   int unread_messages;
   int active_queries;
   int max_msg_id;
+  int started;
 
   long long locks; 
   struct tgl_dc *DC_list[TGL_MAX_DC_NUM];