[mutter/wip/carlosg/xwayland-dnd-finish: 11/13] wayland: Plug XDnD drag source leak

[Carlos Garnacho <carlosg src gnome org>]

commit e59ee36874cb8df86a9d42a3206dc0c675241824
Author: Carlos Garnacho <carlosg gnome org>
Date:   Mon Feb 8 20:20:22 2021 +0100

    wayland: Plug XDnD drag source leak
    
    This object is just being detached, with no code unref'ing it. Do
    this whenever the XDnD selection goes unowned, usually a good
    indication that the drag source no longer is one.

 src/wayland/meta-xwayland-dnd.c | 1 +
 1 file changed, 1 insertion(+)
---
diff --git a/src/wayland/meta-xwayland-dnd.c b/src/wayland/meta-xwayland-dnd.c
index 77bf567839..6c97ffee2e 100644
--- a/src/wayland/meta-xwayland-dnd.c
+++ b/src/wayland/meta-xwayland-dnd.c
@@ -909,6 +909,7 @@ meta_xwayland_dnd_handle_xfixes_selection_notify (MetaWaylandCompositor *composi
   else if (event->owner == None)
     {
       meta_xwayland_end_dnd_grab (data_device, FALSE);
+      g_clear_object (&dnd->source);
     }
 
   return FALSE;