[gnome-games] application: Init libhandy

[Alexander Mikhaylenko <alexm src gnome org>]

commit 80d9baaed38fcfeb2917e757f5affa8c9971d4d1
Author: Alexander Mikhaylenko <alexm gnome org>
Date:   Wed Jun 24 20:30:35 2020 +0500

    application: Init libhandy
    
    See https://gitlab.gnome.org/GNOME/libhandy/-/merge_requests/516

 src/ui/application.vala | 2 ++
 1 file changed, 2 insertions(+)
---
diff --git a/src/ui/application.vala b/src/ui/application.vala
index 68f31901..3e4b732f 100644
--- a/src/ui/application.vala
+++ b/src/ui/application.vala
@@ -224,6 +224,8 @@ public class Games.Application : Gtk.Application {
        protected override void startup () {
                base.startup ();
 
+               Hdy.init ();
+
                var screen = Gdk.Screen.get_default ();
                var provider = load_css ("gtk-style.css");
                Gtk.StyleContext.add_provider_for_screen (screen, provider, 600);