[glade/glade-3-22] GladeGtkWindow: fix regression in get_children() method

[Juan Pablo Ugarte <jpu src gnome org>]

commit 1f7c3e2e594df461117f1c1e136b9923789654d4
Author: Juan Pablo Ugarte <juanpablougarte gmail com>
Date:   Sat Mar 24 13:22:48 2018 -0300

    GladeGtkWindow: fix regression in get_children() method
    
    Allways return titlebar even if use-csd is not set

 plugins/gtk+/glade-gtk-window.c |    5 +----
 1 files changed, 1 insertions(+), 4 deletions(-)
---
diff --git a/plugins/gtk+/glade-gtk-window.c b/plugins/gtk+/glade-gtk-window.c
index 6ea3916..ceb8440 100644
--- a/plugins/gtk+/glade-gtk-window.c
+++ b/plugins/gtk+/glade-gtk-window.c
@@ -369,17 +369,14 @@ glade_gtk_window_remove_child (GladeWidgetAdaptor * adaptor,
 GList *
 glade_gtk_window_get_children (GladeWidgetAdaptor *adaptor, GObject *container)
 {
-  GladeWidget *gwidget = glade_widget_get_from_gobject (container);
   GtkWidget *child = gtk_bin_get_child (GTK_BIN (container));
   GtkWidget *titlebar = gtk_window_get_titlebar (GTK_WINDOW (container));
   GList *children = NULL;
-  gboolean use_csd;
 
   if (child)
     children = g_list_prepend (children, child);
 
-  if (glade_widget_property_get (gwidget, "use-csd", &use_csd) &&
-      use_csd && titlebar)
+  if (titlebar)
     children = g_list_prepend (children, titlebar);
 
   return children;