[gnome-control-center] info: Don't leak a dialog

[Bastien Nocera <hadess src gnome org>]

commit 416de8af2ba6e59e57281de25e382f58e36c7deb
Author: Rui Matos <tiagomatos gmail com>
Date:   Tue Sep 17 14:32:30 2013 +0200

    info: Don't leak a dialog
    
    https://bugzilla.gnome.org/show_bug.cgi?id=708286

 panels/info/cc-info-panel.c |    6 +++++-
 1 files changed, 5 insertions(+), 1 deletions(-)
---
diff --git a/panels/info/cc-info-panel.c b/panels/info/cc-info-panel.c
index c863f1f..04112e0 100644
--- a/panels/info/cc-info-panel.c
+++ b/panels/info/cc-info-panel.c
@@ -92,6 +92,7 @@ typedef struct
 struct _CcInfoPanelPrivate
 {
   GtkBuilder    *builder;
+  GtkWidget     *extra_options_dialog;
   char          *gnome_version;
   char          *gnome_distributor;
   char          *gnome_date;
@@ -461,6 +462,7 @@ cc_info_panel_dispose (GObject *object)
   g_clear_object (&priv->pk_proxy);
   g_clear_object (&priv->pk_transaction_proxy);
   g_clear_pointer (&priv->graphics_data, graphics_data_free);
+  g_clear_pointer (&priv->extra_options_dialog, gtk_widget_destroy);
 
   G_OBJECT_CLASS (cc_info_panel_parent_class)->dispose (object);
 }
@@ -1305,7 +1307,7 @@ on_extra_options_button_clicked (GtkWidget    *button,
   GtkWidget *dialog;
   GtkWidget *combo_box;
 
-  dialog = GTK_WIDGET (gtk_builder_get_object (self->priv->builder, "extra_options_dialog"));
+  dialog = self->priv->extra_options_dialog;
   combo_box = GTK_WIDGET (gtk_builder_get_object (self->priv->builder, "media_other_type_combobox"));
   gtk_window_set_transient_for (GTK_WINDOW (dialog),
                                 GTK_WINDOW (gtk_widget_get_toplevel (GTK_WIDGET (self))));
@@ -1849,6 +1851,8 @@ cc_info_panel_init (CcInfoPanel *self)
       return;
     }
 
+  self->priv->extra_options_dialog = WID ("extra_options_dialog");
+
   self->priv->graphics_data = get_graphics_data ();
 
   widget = WID ("updates_button");