[gnome-2048/arnaudb/wip/gtk4: 57/57] Adapt to GridLayoutChild API.

[Arnaud B. <arnaudb src gnome org>]

commit 89b2b171f3ccd9c95797eb23ab695c50c0c23f9f
Author: Arnaud Bonatti <arnaud bonatti gmail com>
Date:   Mon Sep 28 16:20:25 2020 +0200

    Adapt to GridLayoutChild API.

 src/game.vala | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)
---
diff --git a/src/game.vala b/src/game.vala
index 8bf641f..6607de8 100644
--- a/src/game.vala
+++ b/src/game.vala
@@ -429,10 +429,10 @@ private class Game : Gtk.Widget
             assert_not_reached ();
         Gtk.GridLayoutChild rect_layout = (Gtk.GridLayoutChild) layout.get_layout_child ((!) nullable_tile);
 
-        tile_layout.set_left_attach (  to.col);
-        tile_layout.set_top_attach  (  to.row);
-        rect_layout.set_left_attach (from.col);
-        rect_layout.set_top_attach  (from.row);
+        tile_layout.set_column (  to.col);
+        tile_layout.set_row    (  to.row);
+        rect_layout.set_column (from.col);
+        rect_layout.set_row    (from.row);
 
         _foreground_nxt [  to.col,   to.row] = _foreground_cur [from.col, from.row];
         _foreground_cur [from.col, from.row] = null;