[gnome-chess/gnome-3-38] Disconnect engine timeout check when game ends

[Michael Catanzaro <mcatanzaro src gnome org>]

commit ff32ba9d64a22a8ad65b0c4b8ee6720b705c191e
Author: Michael Catanzaro <mcatanzaro gnome org>
Date:   Sun Dec 6 10:25:53 2020 -0600

    Disconnect engine timeout check when game ends
    
    Oops, this is a regression from 5ca2ab04. We don't want to complain that
    the engine has not moved if the game is over....

 src/gnome-chess.vala | 5 +++++
 1 file changed, 5 insertions(+)
---
diff --git a/src/gnome-chess.vala b/src/gnome-chess.vala
index d4a1d33..6fa67f7 100644
--- a/src/gnome-chess.vala
+++ b/src/gnome-chess.vala
@@ -1100,6 +1100,9 @@ Copyright © 2015–2016 Sahil Sareen""";
             engine_timeout_source = 0;
         }
 
+        if (!game.is_started)
+            return;
+
         if (pgn_game.white_ai != null && game.current_player.color == Color.WHITE ||
             pgn_game.black_ai != null && game.current_player.color == Color.BLACK)
         {
@@ -1428,6 +1431,8 @@ Copyright © 2015–2016 Sahil Sareen""";
         headerbar.set_title (title);
         headerbar.set_subtitle (reason);
 
+        update_engine_timeout ();
+
         white_time_label.queue_draw ();
         black_time_label.queue_draw ();
     }