Introduce NUL device pipes for stdin and stdout for the parent Win32
  service process.  This solves bugs such as PR7198 that report
  "dup2(stdin) failed" when trying to use piped logs.


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/1.3.x@88358 13f79535-47bb-0310-9956-ffa450edef68