* startup.el (command-line): Call daemon-initialized after

* startup.el (command-line): Call daemon-initialized after
starting the server.
* emacs.c (daemon_pipe): New variable
(main): Create a pipe before forking, make the parent exit only after
the child has closed its end of the pipe.  Move closing the
descriptors ...
(Fdaemon_initialized): ... here.  New function.