Our ap_listeners were binding to IIS sockets, other Apache instances'
  listeners, the bottoms of peoples' shoes, etc.

  Wait to set SO_REUSEADDR on Win32 until the parent is certain the
  port is all ours.


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@93924 13f79535-47bb-0310-9956-ffa450edef68