Make the hardcoded checks for platforms-without-crypt consistent.

This apparently fixes some oddities on TPF.

Submitted by: David Jones <oscaremma gmail.com>
Reviewed by:  wrowe, trawick



git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@525571 13f79535-47bb-0310-9956-ffa450edef68