Scratching an old itch. Rather than cause a WARNING: in the log

with the value at startup - have a method to find the value without
actually really running it (or binding ot ports, touching logs, etc).


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/1.3.x@96077 13f79535-47bb-0310-9956-ffa450edef68