Trival patch for a signed/unsigned compare emit in the for condition,
  since i is running from 0 to strlen(nonce) and strlen is defined to
  return size_t, quiet the picky compiler warnings of VC and probably
  some others.


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/1.3.x@103584 13f79535-47bb-0310-9956-ffa450edef68