[empathy] Fix a memory leak in EmpathyAvatar (#624054)

[Guillaume Desmottes <gdesmott src gnome org>]

commit c60dc144eb53bc084f5ac51f0ee3794ecaceb6ac
Author: Philip Withnall <philip withnall collabora co uk>
Date:   Sat Jul 10 17:19:32 2010 +0100

    Fix a memory leak in EmpathyAvatar (#624054)
    
    The avatar filename was being leaked.

 libempathy/empathy-contact.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/libempathy/empathy-contact.c b/libempathy/empathy-contact.c
index ba695ca..7e9961f 100644
--- a/libempathy/empathy-contact.c
+++ b/libempathy/empathy-contact.c
@@ -1112,6 +1112,7 @@ empathy_avatar_unref (EmpathyAvatar *avatar)
       g_free (avatar->data);
       g_free (avatar->format);
       g_free (avatar->token);
+      g_free (avatar->filename);
       g_slice_free (EmpathyAvatar, avatar);
     }
 }