/*
 * Close STDIN unconditionally.  It's used by the parent
 * process for CGI communication.  The FastCGI applciation
 * will be replacing this with the FastCGI listenFd IF
 * STDIN_FILENO is the same as FCGI_LISTENSOCK_FILENO
 * (which it is on Unix).  Regardless, STDIN, STDOUT, and
 * STDERR will be closed as the FastCGI process uses a
 * multiplexed socket in their place.
 */