Windows: Fixup dependency walker usage in unicode directories
Windows: Fixup dependency walker usage in unicode directories

* This prevented the tool from discovering dependencies and
  made it produce non-working dist folders, in or outside of
  unicode paths.

* Produced outside, the dist folders were good though.

kayhayen/Nuitka,kayhayen/Nuitka,kayhayen/Nuitka,kayhayen/Nuitka