corrected a comment

  infof(data, "Issue another request to this URL: '%s'\n", data->change.url);

  /*

   * We get here when the HTTP code is 300-399. We need to perform

   * We get here when the HTTP code is 300-399 (and 401). We need to perform

   * differently based on exactly what return code there was.

   * Discussed on the curl mailing list and posted about on the 26th

   * of January 2001.

   *

   * News from 7.10.6: we can also get here on a 401, in case we need to

   * do Digest authentication.

   * News from 7.10.6: we can also get here on a 401, in case we act on a

   * HTTP authentication scheme other than Basic.

   */

  switch(data->info.httpcode) {

  case 401:

    /* Act on a digest authentication, we keep on moving and do the

       Authorization: Digest header in the HTTP request code snippet */

    /* Act on an authentication, we keep on moving and do the Authorization:

       XXXX header in the HTTP request code snippet */

    break;

  case 300: /* Multiple Choices */

  case 306: /* Not used */