if (err)
if (err) { log_debug ("gpgme can't find a suitable OpenPGP backend: %s\n", gpgme_strerror (err));
op_init (void){  gpgme_error_t err;  if (init_done == 1)      return 0;  gpgme_check_version (NULL);  err = gpgme_engine_check_version (GPGME_PROTOCOL_OpenPGP);  if (err)      return err;  /*init_keycache_objects ();*/  init_done = 1;  return 0;}