Forward port from 2.0:

      SECURITY [CAN-2003-0789]: mod_cgid: Resolve some mishandling of
the AF_UNIX socket used to communicate with the cgid daemon and
the CGI script.

Submitted by: Jeff Trawick


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@101570 13f79535-47bb-0310-9956-ffa450edef68