[gtk] window: Plug a GList leak

[Timm Bäder <baedert src gnome org>]

commit 8f734b01b255ba59a23901aa82e7174d0394d78c
Author: Timm Bäder <mail baedert org>
Date:   Sun Jul 21 11:08:45 2019 +0200

    window: Plug a GList leak
    
    We need to free the GList manually when using g_list_remove_link().

 gtk/gtkwindow.c | 1 +
 1 file changed, 1 insertion(+)
---
diff --git a/gtk/gtkwindow.c b/gtk/gtkwindow.c
index 723d261127..5061f7e648 100644
--- a/gtk/gtkwindow.c
+++ b/gtk/gtkwindow.c
@@ -9354,6 +9354,7 @@ gtk_window_update_pointer_focus_on_state_change (GtkWindow *window,
           /* Unmapping the toplevel, remove pointer focus */
           priv->foci = g_list_remove_link (priv->foci, cur);
           gtk_pointer_focus_unref (focus);
+          g_list_free (cur);
         }
       else if (focus->target == widget ||
                gtk_widget_is_ancestor (focus->target, widget))