[libgnome-games-support/margins] Add margins to category bar in scores dialog

[Andrey Kutejko <akutejko src gnome org>]

commit 0d84d860878dbc0ec53e2c7da6c748bbc6101668
Author: Andrey Kutejko <andy128k gmail com>
Date:   Sun Sep 12 20:00:45 2021 +0200

    Add margins to category bar in scores dialog

 games/scores/dialog.vala | 2 ++
 1 file changed, 2 insertions(+)
---
diff --git a/games/scores/dialog.vala b/games/scores/dialog.vala
index 0f53c38..711049f 100644
--- a/games/scores/dialog.vala
+++ b/games/scores/dialog.vala
@@ -97,6 +97,8 @@ private class Dialog : Gtk.Dialog
 
         var catbar = new Gtk.Box (Gtk.Orientation.HORIZONTAL, 12);
         catbar.margin_top = 20;
+        catbar.margin_start = 20;
+        catbar.margin_end = 20;
         catbar.halign = Gtk.Align.CENTER;
 
         vbox.add (catbar);