r17205: Even if this makes me look foolish, at least start to scratch on the surface

r17205: Even if this makes me look foolish, at least start to scratch on the surface
of spoolss. If snum is to be removed, then we should make at least the attempt
to walk parts of the code before and after the changes.

This walks GetPrinterInfo level 0-7.

Volker
(This used to be commit 0c05f571a0eda2412896f340b7c751cf7cbdbd2a)