[gtk: 1/2] Fix resource leak in gdk_display_close() under Wayland

[Matthias Clasen <matthiasc src gnome org>]

commit 665955b81eb3b190e8e49bb26638a6928ad96af7
Author: Julien Ropé <jrope redhat com>
Date:   Mon Aug 31 17:26:18 2020 +0200

    Fix resource leak in gdk_display_close() under Wayland
    
    When using the gdk_display_close(), the handle to the Wayland compositor was not released. This could 
cause the consumption of all available handles, preventing other processes from accessing the display.
    
    Fixing this by calling wl_display_disconnect() when releasing the GdkWaylandDisplay object.
    
    Signed-off-by: Julien Ropé <jrope redhat com>

 gdk/wayland/gdkdisplay-wayland.c | 2 ++
 1 file changed, 2 insertions(+)
---
diff --git a/gdk/wayland/gdkdisplay-wayland.c b/gdk/wayland/gdkdisplay-wayland.c
index 9be0bacfad..035eec5819 100644
--- a/gdk/wayland/gdkdisplay-wayland.c
+++ b/gdk/wayland/gdkdisplay-wayland.c
@@ -755,6 +755,8 @@ gdk_wayland_display_finalize (GObject *object)
 
   g_clear_object (&display_wayland->settings_portal);
 
+  wl_display_disconnect (display_wayland->wl_display);
+
   G_OBJECT_CLASS (gdk_wayland_display_parent_class)->finalize (object);
 }