commit 033834d6db19ddcc7856e40895eb7c4e44b3d5d4
Author: Stephen Kitt <skitt@debian.org>
Date:   Thu Feb 11 19:59:37 2021 +0100

    Add missing init_pref_window declaration

diff --git a/src/board_engine.c b/src/board_engine.c
index e5a991ee276537d7..09a59dd1351357e1 100644
--- a/src/board_engine.c
+++ b/src/board_engine.c
@@ -978,6 +978,8 @@ GweledGameState gweled_get_current_game(void)
     return game;
 }
 
+extern void init_pref_window(void);
+
 void gweled_set_previous_game(GweledGameState game)
 {
     gchar *text_buffer;