[empathy] contact_get_avatar_filename: use empathy_contact_get_id instead of priv->id directly

[Guillaume Desmottes <gdesmott src gnome org>]

commit 4047625966d7de345673f6e0603c7e45f2e7d747
Author: Guillaume Desmottes <guillaume desmottes collabora co uk>
Date:   Tue Jun 9 13:56:10 2009 +0100

    contact_get_avatar_filename: use empathy_contact_get_id instead of priv->id directly
    
    priv->id is not supposed to be set for not log contacts so the avatar
    cache was broken for all TpContact.
---
 libempathy/empathy-contact.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/libempathy/empathy-contact.c b/libempathy/empathy-contact.c
index 03ce8d2..ad51b32 100644
--- a/libempathy/empathy-contact.c
+++ b/libempathy/empathy-contact.c
@@ -837,10 +837,10 @@ contact_get_avatar_filename (EmpathyContact *contact,
   gchar *token_escaped;
   gchar *contact_escaped;
 
-  if (EMP_STR_EMPTY (priv->id))
+  if (EMP_STR_EMPTY (empathy_contact_get_id (contact)))
     return NULL;
 
-  contact_escaped = tp_escape_as_identifier (priv->id);
+  contact_escaped = tp_escape_as_identifier (empathy_contact_get_id (contact));
   token_escaped = tp_escape_as_identifier (token);
   account = empathy_contact_get_account (contact);