Bug#300639: libglade2-0: fails to load GtkFileChooserWidget

[Laurent]

Package: libglade2-0
Version: 1:2.4.2-2
Severity: normal

When i try to use a GtkFileChooserWidget, i've got the following error :
libglade-WARNING **: unknown widget class 'GtkFileChooserWidget'
and the widget is not load. All the others widget i tried work fine.

-- System Information:
Debian Release: 3.1
  APT prefers unstable
  APT policy: (500, 'unstable'), (1, 'experimental')
Architecture: i386 (i686)
Kernel: Linux 2.6.10.2005.01.24
Locale: LANG=fr_FR.UTF-8, LC_CTYPE=fr_FR.UTF-8 (charmap=UTF-8)

Versions of packages libglade2-0 depends on:
ii  libatk1.0-0                 1.9.0-1      The ATK accessibility toolkit
ii  libc6                       2.3.2.ds1-20 GNU C Library: Shared libraries an
ii  libglib2.0-0                2.6.3-1      The GLib library of C routines
ii  libgtk2.0-0                 2.6.2-4      The GTK+ graphical user interface 
ii  libpango1.0-0               1.8.1-1      Layout and rendering of internatio
ii  libxml2                     2.6.16-3     GNOME XML library
ii  zlib1g                      1:1.2.2-4    compression library - runtime

-- no debconf information