Merge r1742135 from trunk:

We need another guard, this may resolve a crash in the rather odd faux-server
implementation in mod_perl test suite which calls access checking too early.


Submitted by: wrowe
Reviewed/backported by: jim


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1743575 13f79535-47bb-0310-9956-ffa450edef68