kernel32/tests: GetVolumeInformationA X: succeeds iff drive's default dir is root. (try 2)

Hi,

Greg Geldorp wrote:
> I ... ran the test,
> In short: everything passes.
> This is excellent news.
> Hopefully somebody will jump in and write code for kernel32/volume.c
> that satisfies the tests and get fame for fixing bug #23355 and help #20887.
> I'm nominating the bugfix for 1.2.1

Regards,
 Jörg Höhle.