return a 0 instead of a 1 every 507873 bytes (strange number) fix #20
return a 0 instead of a 1 every 507873 bytes (strange number) fix #20

nakagami/firebirdsql,rowland/firebirdsql,arteev/firebirdsql,nakagami/firebirdsql,arteev/firebirdsql,rowland/firebirdsql