Adds a '-F' flag to httpd's main() - which causes the mother

Adds a '-F' flag to httpd's main() - which causes the mother
or supervisor process to not fork&detach - as to allow integration
with deamontools (http://cr.yp.to/daemontools.html).

PR: 		http://nagoya.apache.org/bugzilla/show_bug.cgi?id=7628
Obtained from: 	http://marc.theaimsgroup.com/?l=apache-httpd-dev&m=101467598720760&w=2
		Michael Handler <handler-grendel.net>
Submitted by:	http://www.catnook.com/patches/apache-1.3.24-daemontools.patch
		Jos Backus <jos-catnook.com>
Reviewed by:	Dirk-Willem van Gulik

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/1.3.x@95074 13f79535-47bb-0310-9956-ffa450edef68