More cleanup of apr_port_t stuff.

This file will need a lot of work as it's using a lot of "raw" information
from socket structures that won't work with IPv6.  Needs to be abstracted out
and use APR instead.


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@86869 13f79535-47bb-0310-9956-ffa450edef68