[fpc-pascal] minigzip example does not compile (?)

[Marco van de Voort]

In our previous episode, Juha Manninen said:
> BTW, does anybody know of a Delphi compatible version of this compression lib?
> The new Unicode Delphis do not need to be supported.
> What about some other similar Delphi compatible lib?

Newer delphi's come with a zstream iirc, and contrary to D7(*), you don't need
to do anything. (unit zlib, tzcompressionstream and -de variant + helper
procedures). I use them for the png compression in my ported fcl-image parts.

(*) IIRC, long time ago