[mutter] wayland: Clean up Wayland clients and display on shutdown

[Marge Bot <marge-bot src gnome org>]

commit 0a12f1c9c6a293265b51f82a58cfdc3b87b93f32
Author: Jonas Ådahl <jadahl gmail com>
Date:   Sat Apr 10 00:41:19 2021 +0200

    wayland: Clean up Wayland clients and display on shutdown
    
    This will clean up Wayland related objects, e.g. surfaces and buffers.
    
    Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1822>

 src/wayland/meta-wayland.c | 5 +++++
 1 file changed, 5 insertions(+)
---
diff --git a/src/wayland/meta-wayland.c b/src/wayland/meta-wayland.c
index b032a8bfce..c6225868e6 100644
--- a/src/wayland/meta-wayland.c
+++ b/src/wayland/meta-wayland.c
@@ -591,7 +591,12 @@ meta_wayland_finalize (void)
   compositor = meta_wayland_compositor_get_default ();
 
   meta_xwayland_shutdown (&compositor->xwayland_manager);
+
+  if (compositor->wayland_display)
+    wl_display_destroy_clients (compositor->wayland_display);
+
   g_clear_pointer (&compositor->display_name, g_free);
+  g_clear_pointer (&compositor->wayland_display, wl_display_destroy);
 }
 
 void