libprint: fix invalid use of long.

headers/libs/print/libprint/DbgMsg.h

@@ -11,10 +11,12 @@
 #include <Message.h>
 #include <Node.h>
 
+#include <stdio.h>
+
 // #define DBG
 
 #ifdef DBG
-	void write_debug_stream(const char *, ...);
+	void write_debug_stream(const char *, ...)  __PRINTFLIKE(1,2);
 	void DUMP_BFILE(BFile *file, const char *name);
 	void DUMP_BMESSAGE(BMessage *msg);
 	void DUMP_BDIRECTORY(BDirectory *dir);

headers/libs/print/libprint/PrintProcess.h

@@ -39,8 +39,8 @@ public:
 private:
 	BFile *fFile;
 	bool  fReverse;
-	int   fPictureCount;
-	int   fRest;
+	int32 fPictureCount;
+	int32 fRest;
 	off_t fOffset;
 	bool  fHollow;
 };
@@ -49,7 +49,7 @@ typedef list<PageData *>	PageDataList;
 
 class SpoolData {
 public:
-	SpoolData(BFile *file, int page_count, int nup, bool reverse);
+	SpoolData(BFile *file, int32 page_count, int32 nup, bool reverse);
 	~SpoolData();
 	bool startEnum();
 	bool enumObject(PageData **);

headers/libs/print/libprint/UIDriver.h

@@ -26,9 +26,9 @@ protected:
 
 			UIDriver&	operator=(const UIDriver &);
 
-	virtual	long		PageSetup(JobData* jobData, PrinterData* printerData,
+	virtual	status_t	PageSetup(JobData* jobData, PrinterData* printerData,
 							const PrinterCap* printerCap);
-	virtual	long		JobSetup(JobData* jobData, PrinterData* printerData,
+	virtual	status_t	JobSetup(JobData* jobData, PrinterData* printerData,
 							const PrinterCap* printerCap);
 
 private: