revert [23385]. make sure the object is locked when we enter the thread

modules/misc/screensaver.c

@@ -165,13 +165,12 @@ static void Execute( intf_thread_t *p_this, const char *const *ppsz_args )
  *****************************************************************************/
 static void Run( intf_thread_t *p_intf )
 {
-    vlc_thread_ready( p_intf );
+    vlc_object_lock( p_intf );
 
 #ifdef HAVE_DBUS
     p_intf->p_sys->p_connection = dbus_init( p_intf );
 #endif
 
-    vlc_object_lock( p_intf );
     for(;;)
     {
         vlc_object_t *p_vout;