[crossfire] Code cleanlieness and server stability

[Nicolas Weeger]

Hello.

> Another problem was with the perl plugin that was just applied. The link
> http://data.plan9.de/cfperl.diff explictly said:
> 
>     See http://cvs.schmorp.de/browse/cf.schmorp.de/crossfire/plugins/cfperl/,
>     but please contact cf at schmorp.de before copying it.
> 
> We were _not_ contacted, the result is a broken perl plugin in crossfire
> now which doesn't build correctly.

I'm the one to blame for that. I thought I had taken the latest version,
but apparently no - or the code in the cvs wasn't uptodate :)

Besides, the Perl plugin isn't included in current compilation.

Nicolas