code simplification

struct ftp_parselist_data *Curl_ftp_parselist_data_alloc(void)

{

  struct ftp_parselist_data *parselist_data =

      malloc(sizeof(struct ftp_parselist_data));

  if(!parselist_data)

    return ZERO_NULL;

  memset(parselist_data, 0, sizeof(struct ftp_parselist_data));

  return parselist_data;

  return calloc(1, sizeof(struct ftp_parselist_data));

}