Extend the output of the -V switch to include the paths of all

compiled-in configuration files, if they were overridden at
compile time, for least astonishment of the user.


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/1.3.x@81922 13f79535-47bb-0310-9956-ffa450edef68