bug#6832: 23.2; server-force-delete doesn't stop tcp process

[Leo]

Steps to reproduce:

1. Emacs -q
2. (setq server-use-tcp t)
3. M-x server-start
4. M-x server-force-delete
5. list-processes

You should see a network process still listening as in this screenshot:

emacs-server.png
Description: emacs-server.png

In GNU Emacs 23.2.11 (x86_64-apple-darwin10.4.0) of 2010-07-23 on
 Victoria.local Windowing system distributor `Apple Inc.', version
 10.6.4

Leo