mod_authnz_dbd: Support the expression parser within the require directives.


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@1554168 13f79535-47bb-0310-9956-ffa450edef68
Update transformation.


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@1554169 13f79535-47bb-0310-9956-ffa450edef68