[gnome-contacts] Clear cached avatar pixbuf if it changes

[Alexander Larsson <alexl src gnome org>]

commit 3801364668afe586ba91ddb7f83ff98985ce2580
Author: Alexander Larsson <alexl redhat com>
Date:   Wed May 18 13:39:16 2011 +0200

    Clear cached avatar pixbuf if it changes

 src/contacts-contact.vala |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/src/contacts-contact.vala b/src/contacts-contact.vala
index 69480d0..78b3c89 100644
--- a/src/contacts-contact.vala
+++ b/src/contacts-contact.vala
@@ -189,6 +189,8 @@ public class Contacts.Contact : GLib.Object  {
   }
 
   private void notify_cb (ParamSpec pspec) {
+    if (pspec.get_name () == "avatar")
+      _avatar = null;
     queue_changed ();
   }