[empathy] contact_widget_contact_update: check if widget_avatar is a chooser

[Guillaume Desmottes <gdesmott src gnome org>]

commit 1454a06e8110fb41559e5a2f91f50e2b2bb8d4a3
Author: Guillaume Desmottes <guillaume desmottes collabora co uk>
Date:   Mon Mar 26 09:28:22 2012 +0200

    contact_widget_contact_update: check if widget_avatar is a chooser
    
    information->widget_avatar can actually be a EmpathyAvatarImage when
    displaying a read only widget.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=672828

 libempathy-gtk/empathy-contact-widget.c |    7 +++++--
 1 files changed, 5 insertions(+), 2 deletions(-)
---
diff --git a/libempathy-gtk/empathy-contact-widget.c b/libempathy-gtk/empathy-contact-widget.c
index 1bfb387..5691891 100644
--- a/libempathy-gtk/empathy-contact-widget.c
+++ b/libempathy-gtk/empathy-contact-widget.c
@@ -1406,8 +1406,11 @@ contact_widget_contact_update (EmpathyContactWidget *information)
     }
   else
     {
-      empathy_avatar_chooser_set_account (
-          EMPATHY_AVATAR_CHOOSER (information->widget_avatar), account);
+      if (EMPATHY_IS_AVATAR_CHOOSER (information->widget_avatar))
+        {
+          empathy_avatar_chooser_set_account (
+              EMPATHY_AVATAR_CHOOSER (information->widget_avatar), account);
+        }
 
       if ((information->flags & EMPATHY_CONTACT_WIDGET_NO_ACCOUNT) == 0)
         {