[dconf] fix double free of GError on early async error

[Ryan Lortie <ryanl src gnome org>]

commit aebeb18bb9a1f5812e2b7124819ac5d5ce12f498
Author: Ryan Lortie <desrt desrt ca>
Date:   Wed Oct 7 15:40:25 2009 -0400

    fix double free of GError on early async error

 dconf/dconf-dbus.c |    6 ++++--
 1 files changed, 4 insertions(+), 2 deletions(-)
---
diff --git a/dconf/dconf-dbus.c b/dconf/dconf-dbus.c
index a174eda..97c92fe 100644
--- a/dconf/dconf-dbus.c
+++ b/dconf/dconf-dbus.c
@@ -590,10 +590,12 @@ dconf_dbus_closure_fire (gpointer user_data)
 
   if (closure->pending)
     dbus_pending_call_unref (closure->pending);
+
   if (closure->context)
     g_main_context_unref (closure->context);
-  if (closure->error)
-    g_error_free (closure->error);
+
+  if (result.error)
+    g_error_free (result.error);
 
   g_slice_free (DConfDBusClosure, closure);