rem: preloaded_symbols = 0;
add: preloaded_symbols = NULL;
context: presym_init (loader_data)     lt_user_data loader_data;{  int errors = 0;  LT_DLMUTEX_LOCK ();  preloaded_symbols = 0;  if (default_preloaded_symbols)    {      errors = lt_dlpreload (default_preloaded_symbols);    }  LT_DLMUTEX_UNLOCK ();  return errors;}