[dconf] engine: fix arguments in fast watch race case

[Ryan Lortie <ryanl src gnome org>]

commit c9e5642b2b643b8e75a7fa24d8527c4c956f048b
Author: Ryan Lortie <desrt desrt ca>
Date:   Sun Jul 15 12:27:16 2012 -0400

    engine: fix arguments in fast watch race case
    
    In the case we do a fast watch and hit the race condition of a change
    occuring before our watch is established we need to emit a change signal
    on "/".  The arguments for that were incorrect, so fix them.

 engine/dconf-engine.c |    4 +++-
 1 files changed, 3 insertions(+), 1 deletions(-)
---
diff --git a/engine/dconf-engine.c b/engine/dconf-engine.c
index 9e44f46..9c80d9b 100644
--- a/engine/dconf-engine.c
+++ b/engine/dconf-engine.c
@@ -721,13 +721,15 @@ dconf_engine_watch_established (DConfEngine  *engine,
 
   if (ow->state != dconf_engine_get_state (engine))
     {
+      const gchar * const changes[] = { "", NULL };
+
       /* Our recorded state does not match the current state.  Something
        * must have changed while our watch requests were on the wire.
        *
        * We don't know what changed, so we can just say that potentially
        * everything changed.  This case is very rare, anyway...
        */
-      dconf_engine_change_notify (engine, "/", NULL, engine->user_data, NULL);
+      dconf_engine_change_notify (engine, "/", changes, NULL, engine->user_data);
     }
 
   dconf_engine_call_handle_free (handle);