[Mimedefang] Add host name to watch-defang window title

[Stephen Johnson]

I think it would be useful to add the hostname to the title of
watch-defang window title. During this this current virus outbreak, I'm
monitoring multiple MD servers. I sometimes confuse which windows goes
with which server.

I'll send in a patch if no else does has before I'm finished with my
hacking. 

(cough, cough)
/me dusts of tcl programing hat...
-- 
Stephen L Johnson                       stephen.johnson at mail.state.ar.us
Unix Systems Administrator              sjohnson at monsters.org
Department of Information Systems
State of Arkansas
501-682-4339