[libwnck/wip/muktupavels/use-wnck-handle] screen: use WnckHandle to get class group

[Alberts Muktupāvels <muktupavels src gnome org>]

commit 834f128a38061ff42625c2ef452a9409e13b1adb
Author: Alberts Muktupāvels <alberts muktupavels gmail com>
Date:   Thu Feb 24 14:01:20 2022 +0200

    screen: use WnckHandle to get class group

 libwnck/screen.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/libwnck/screen.c b/libwnck/screen.c
index 5692720f..ecd8dc2e 100644
--- a/libwnck/screen.c
+++ b/libwnck/screen.c
@@ -1437,7 +1437,7 @@ update_client_list (WnckScreen *screen)
 
          res_class = wnck_window_get_class_group_name (window);
 
-         class_group = wnck_class_group_get (res_class);
+         class_group = _wnck_handle_get_class_group (screen->priv->handle, res_class);
          if (class_group == NULL)
            {
              class_group = _wnck_class_group_create (screen, res_class);