The be-certain-we-own-the-socket patch to listen.c fails if we hang
  on to the originals after duplicating sockets.  If you dup, you aught
  to be closing the source.


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@93925 13f79535-47bb-0310-9956-ffa450edef68