[gnome-shell] windowPreview: Adapt to ClutterActor API changes

[Florian Müllner <fmuellner src gnome org>]

commit 06df79286d987b4ff515fdefb3b877a98525876e
Author: Jonas Dreßler <verdre v0yd nl>
Date:   Fri Jun 19 14:13:12 2020 +0200

    windowPreview: Adapt to ClutterActor API changes
    
    The API of clutter_actor_allocate_preferred_size() changed with
    https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1310, so adapt to
    this change and pass the origin to the function.
    
    https://gitlab.gnome.org/GNOME/gnome-shell/-/merge_requests/1322

 js/ui/windowPreview.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/js/ui/windowPreview.js b/js/ui/windowPreview.js
index 48d42c87d3..5630ba5e31 100644
--- a/js/ui/windowPreview.js
+++ b/js/ui/windowPreview.js
@@ -97,7 +97,7 @@ var WindowPreviewLayout = GObject.registerClass({
 
                 child.allocate(childBox);
             } else {
-                child.allocate_preferred_size();
+                child.allocate_preferred_size(0, 0);
             }
         }
     }