[mutter] stage: Use g_list_foreach instead of manual for loop

[Georges Basile Stavracas Neto <gbsneto src gnome org>]

commit d8be2a8b851b76510c2c482aa2be8b51ab7831dd
Author: Jonas Ådahl <jadahl gmail com>
Date:   Wed Jul 29 10:12:13 2020 +0200

    stage: Use g_list_foreach instead of manual for loop
    
    https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1391

 src/backends/meta-stage.c | 6 +-----
 1 file changed, 1 insertion(+), 5 deletions(-)
---
diff --git a/src/backends/meta-stage.c b/src/backends/meta-stage.c
index 2cda7d471e..7d5a5c172d 100644
--- a/src/backends/meta-stage.c
+++ b/src/backends/meta-stage.c
@@ -195,7 +195,6 @@ meta_stage_paint (ClutterActor        *actor,
 {
   MetaStage *stage = META_STAGE (actor);
   ClutterStageView *view;
-  GList *l;
 
   CLUTTER_ACTOR_CLASS (meta_stage_parent_class)->paint (actor, paint_context);
 
@@ -210,10 +209,7 @@ meta_stage_paint (ClutterActor        *actor,
 
   if (!(clutter_paint_context_get_paint_flags (paint_context) &
         CLUTTER_PAINT_FLAG_NO_CURSORS))
-    {
-      for (l = stage->overlays; l; l = l->next)
-        meta_overlay_paint (l->data, paint_context);
-    }
+    g_list_foreach (stage->overlays, (GFunc) meta_overlay_paint, paint_context);
 
   if (view)
     {