#endif
extern BOOL spool_move_message(uschar *, uschar *, uschar *, uschar *);
extern uschar *spool_dname(const uschar *, uschar *);
-extern uschar *spool_fname(const uschar *, uschar *, uschar *, uschar *);
+extern uschar *spool_fname(const uschar *, const uschar *, const uschar *, const uschar *);
extern uschar *spool_sname(const uschar *, uschar *);
extern int spool_open_datafile(uschar *);
extern int spool_open_temp(uschar *);