Re: adjust texinfo category for lzip

[Antonio Diaz Diaz]

Hi Alfred,

Alfred M. Szmidt wrote:
> This changes the dircategory to better match what is generally used
> for compression tools categories.

Thank you very much for reporting this, and just at the right moment; I'm 
going to release a stable version of lzip this month.

I'll apply the change also to all the related projects (plzip, lzlib...).

Thanks,
Antonio.