Compressed file for Windows port

[David Brown]

Andreas Köhler wrote:

> What does "calling zlib" mean?  Anyway, see
>
http://lists.gnucash.org/pipermail/gnucash-devel/2007-February/019876.html.
> I guess implementation issues belong to gnucash-devel, so let us take it
> there if there is something new to discuss.

The library under gzip that does the compression can be called
directly from a program to directly write a compressed stream.  It
should be easier to port than trying to do things with pipes.

Dave