Added the directive "Requires ldap-attribute" that allows the module to only...

Added the directive "Requires ldap-attribute" that allows the module to only authorize a user if the attribute value specified matches the value of the user object. PR 31913

Submitted by: Ryan Morgan <rmorgan pobox.com>
Reviewd by: Brad Nicholes


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@105675 13f79535-47bb-0310-9956-ffa450edef68