PR: 1450

Obtained from: Andrey Chernov <ache@nagual.pp.ru>
Submitted by:	Jim
Reviewed by:
Make Configure and GuessOS aware of FreeBSD versions. If version 3,
then we handle the fact that char's aren't unsigned and that FreeBSD3
has a good system regex package. Earler versions are unaffected.


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/1.3.x@80272 13f79535-47bb-0310-9956-ffa450edef68