End abuse of apr_strnat[case]cmp - it isn't str[case]cmp.

  Unsure if apr_strnatcasecmp(conf_ip, uri_ip) was intentional, on the
  off chance that the left or right hand ip string happens to contain
  leading zeros.

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@216111 13f79535-47bb-0310-9956-ffa450edef68