extern const WCHAR wszDefaultDocumentName[];
extern HKEY hPrintKey;
extern HKEY hPrintersKey;
-extern PWSTR wszPrintProviderInfo[3];
+extern PCWSTR wszPrintProviderInfo[3];
extern WCHAR wszJobDirectory[MAX_PATH];
extern DWORD cchJobDirectory;
extern WCHAR wszSpoolDirectory[MAX_PATH];