[cod] Servers not showing in xfire

[Ryan C. Gordon]

> We launch the server with the +set dedicated 2 flag, also set sv_gamespy 
> "1" in config, and all of this:
> 
> // Master servers
> set sv_master1 "cod2master.activision.com"
> set sv_master2 "cod2authorize.activision.com"
> set sv_master3 "cod2master.infinityward.com"
> set sv_master3 "cod2update.activision.com"

Should these be cod4master, not cod2master?

--ryan.