From e016d9a5dba6f6f99aee94d0b72c00bee299b96a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jonas=20=C3=85dahl?= <jadahl@gmail.com>
Date: Fri, 5 May 2017 19:07:04 +0800
Subject: [PATCH] GdkWaylandWindow: Clear export user data when used

It was only cleared when unexported, but we could just as well clear it
when its used too.

https://bugzilla.gnome.org/show_bug.cgi?id=782109
---
 gdk/wayland/gdkwindow-wayland.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/gdk/wayland/gdkwindow-wayland.c b/gdk/wayland/gdkwindow-wayland.c
index 2b25faa882..191ab214a1 100644
--- a/gdk/wayland/gdkwindow-wayland.c
+++ b/gdk/wayland/gdkwindow-wayland.c
@@ -4027,7 +4027,8 @@ xdg_exported_handle (void                    *data,
   GdkWindowImplWayland *impl = GDK_WINDOW_IMPL_WAYLAND (window->impl);
 
   impl->exported.callback (window, handle, impl->exported.user_data);
-  impl->exported.user_data = NULL;
+  g_clear_pointer (&impl->exported.user_data,
+                   impl->exported.destroy_func);
 }
 
 static const struct zxdg_exported_v1_listener xdg_exported_listener = {