[mutter/gnome-3-36] clutter: Do not use stack-allocated ClutterEvents

[Jonas Ådahl <jadahl src gnome org>]

commit 1bb1440586aa756b03863ea990e8d282149bcb6b
Author: Carlos Garnacho <carlosg gnome org>
Date:   Thu Sep 24 17:21:18 2020 +0200

    clutter: Do not use stack-allocated ClutterEvents
    
    Use ClutterEvent* and clutter_event_new() to always allocate events.
    
    https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1460
    (cherry picked from commit 66640446796f148f4b92bb3194a8938aa456cd53)

 clutter/clutter/clutter-stage.c | 14 +++++++-------
 1 file changed, 7 insertions(+), 7 deletions(-)
---
diff --git a/clutter/clutter/clutter-stage.c b/clutter/clutter/clutter-stage.c
index ba2f2440a9..9723ce49e7 100644
--- a/clutter/clutter/clutter-stage.c
+++ b/clutter/clutter/clutter-stage.c
@@ -4238,7 +4238,7 @@ _clutter_stage_update_state (ClutterStage      *stage,
                              ClutterStageState  set_flags)
 {
   ClutterStageState new_state;
-  ClutterEvent event;
+  ClutterEvent *event;
 
   new_state = stage->priv->current_state;
   new_state |= set_flags;
@@ -4247,16 +4247,16 @@ _clutter_stage_update_state (ClutterStage      *stage,
   if (new_state == stage->priv->current_state)
     return FALSE;
 
-  memset (&event, 0, sizeof (event));
-  event.type = CLUTTER_STAGE_STATE;
-  clutter_event_set_stage (&event, stage);
+  event = clutter_event_new (CLUTTER_STAGE_STATE);
+  clutter_event_set_stage (event, stage);
 
-  event.stage_state.new_state = new_state;
-  event.stage_state.changed_mask = new_state ^ stage->priv->current_state;
+  event->stage_state.new_state = new_state;
+  event->stage_state.changed_mask = new_state ^ stage->priv->current_state;
 
   stage->priv->current_state = new_state;
 
-  clutter_stage_event (stage, &event);
+  clutter_stage_event (stage, event);
+  clutter_event_free (event);
 
   return TRUE;
 }