winspool/tests: Some extra Tests for GetPrinterDriverDirectory (updated)

[Detlef Riekenberg]

Small update for the winspool - tests, with SetLastError()
Thanks Dmitry.

This test show a Bug in wine:
GetPrinterDriverDirectoryA(NULL, NULL, 1, buffer, cbBuf-1, &pcbNeeded);

The Reason is the ugly Return-Value from GetSystemDirectory():
SUCCESS: Number of Characters without the '0'
FAILURE: Number of Characters including the '0'



Changelog:
 - Display a TRACE, when the Service "spooler" is not running (NT).
 - Some extra Tests for GetPrinterDriverDirectory



-- 
By By ...
      ... Detlef
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