rb-gtk4-private.h in gtk4-4.2.1

- old
+ new

@@ -1,8 +1,8 @@
 /* -*- c-file-style: "ruby"; indent-tabs-mode: nil -*- */
 /*
- *  Copyright (C) 2022  Ruby-GNOME Project Team
+ *  Copyright (C) 2022-2023  Ruby-GNOME Project Team
  *
  *  This library is free software; you can redistribute it and/or
  *  modify it under the terms of the GNU Lesser General Public
  *  License as published by the Free Software Foundation; either
  *  version 2.1 of the License, or (at your option) any later version.
@@ -28,8 +28,12 @@
 #define GDK_VERSION_MIN_REQUIRED GDK_VERSION_4_4
 
 #include "rb-gtk4.h"
 
 G_GNUC_INTERNAL void rb_gtk4_cell_layout_init(void);
+G_GNUC_INTERNAL void rb_gtk4_column_view_init(void);
+G_GNUC_INTERNAL void rb_gtk4_image_init(void);
+G_GNUC_INTERNAL void rb_gtk4_picture_init(void);
+G_GNUC_INTERNAL void rb_gtk4_single_selection_init(void);
 G_GNUC_INTERNAL void rb_gtk4_tree_view_init(void);
 G_GNUC_INTERNAL void rb_gtk4_widget_init(void);
 G_GNUC_INTERNAL void rb_gtk4_window_init(void);