[fpc-pascal] Deleting 'Nonexistent' files under windows

[Marco van de Voort]

In our previous episode, Rolf Grunsky said:
> Is it possible to access files that have path lengths too long to access 
> from explorer through Windows API from Pascal?
> 
> I keep ending up with these very long file names which then I can not 
> access. It seems that Windows will create the files, usually by copying 
> the files from another source but the resulting path is too long to 
> access the file or to delete it. Using the "\\?\" trick doesn't always 
> work.

One must also call the unicode api to make that trick work. FPC only does
that since 3.0.