[gnome-klotski] Remove a TODO.

[Arnaud B. <arnaudb src gnome org>]

commit 5f1e9ad43d6339633cc9a71fe930f3b4a52f6e41
Author: Arnaud Bonatti <arnaud bonatti gmail com>
Date:   Sat Feb 15 19:33:24 2020 +0100

    Remove a TODO.
    
    I previously bumped Gtk+ required version to 3.22.0,
    so continue a bit and bump it to 3.22.23, for better
    handling of tiled state (using WindowState.*_TILED).

 meson.build             |  2 +-
 src/klotski-window.vala | 10 +++++-----
 2 files changed, 6 insertions(+), 6 deletions(-)
---
diff --git a/meson.build b/meson.build
index 2ee4353..0e90c5f 100644
--- a/meson.build
+++ b/meson.build
@@ -13,7 +13,7 @@ python3 = import('python3')
 gee_dependency = dependency('gee-0.8')
 glib_dependency = dependency('glib-2.0', version: '>= 2.42.0')
 gnome_games_support_dependency = dependency('libgnome-games-support-1')
-gtk_dependency = dependency('gtk+-3.0', version: '>= 3.22.0')
+gtk_dependency = dependency('gtk+-3.0', version: '>= 3.22.23')
 rsvg_dependency = dependency('librsvg-2.0', version: '>= 2.32.0')
 posix_dependency = meson.get_compiler('vala').find_library('posix')
 
diff --git a/src/klotski-window.vala b/src/klotski-window.vala
index 6df0bc8..a3ffdfd 100644
--- a/src/klotski-window.vala
+++ b/src/klotski-window.vala
@@ -646,11 +646,11 @@ private class KlotskiWindow : ApplicationWindow
             on_fullscreen ();
 
         /* tiled: not saved, but should not change saved window size */
-        Gdk.WindowState tiled_state = Gdk.WindowState.TILED;
- //                                 | Gdk.WindowState.TOP_TILED     // TODO requires Gtk 3.22.23
- //                                 | Gdk.WindowState.BOTTOM_TILED
- //                                 | Gdk.WindowState.LEFT_TILED
- //                                 | Gdk.WindowState.RIGHT_TILED;
+        Gdk.WindowState tiled_state = Gdk.WindowState.TILED
+                                    | Gdk.WindowState.TOP_TILED
+                                    | Gdk.WindowState.BOTTOM_TILED
+                                    | Gdk.WindowState.LEFT_TILED
+                                    | Gdk.WindowState.RIGHT_TILED;
         if ((event.changed_mask & tiled_state) != 0)
             window_is_tiled = (event.new_window_state & tiled_state) != 0;