[glom] Glade utils: Initialize widget to 0 before, not after getting it.

[Murray Cumming <murrayc src gnome org>]

commit a9e09f163f687ab02ebe9fef9c34e79ecb6da3a6
Author: Murray Cumming <murrayc murrayc com>
Date:   Fri Jun 27 10:50:43 2014 +0200

    Glade utils: Initialize widget to 0 before, not after getting it.

 glom/glade_utils.h |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/glom/glade_utils.h b/glom/glade_utils.h
index 501fa14..94c9efd 100644
--- a/glom/glade_utils.h
+++ b/glom/glade_utils.h
@@ -111,8 +111,8 @@ Glib::RefPtr<Gtk::Builder> get_glade_child_widget_derived_with_warning(T_Widget*
 template<class T_Widget>
 void box_pack_start_glade_child_widget_derived_with_warning(Gtk::Box* parent_box, T_Widget*& widget)
 {
-  Glib::RefPtr<Gtk::Builder> builder = get_glade_child_widget_derived_with_warning(widget);
   widget = 0;
+  Glib::RefPtr<Gtk::Builder> builder = get_glade_child_widget_derived_with_warning(widget);
 
   if(widget)
     parent_box->pack_start(*widget);