* include/hbapifs.h
* src/rtl/filesys.c
+ added new C function:
HB_FOFFSET hb_fsGetSize( HB_FHANDLE hFileHandle );
! fixed SetFilePointer() error detecting - it was broken
and we returned wrong results for offset 0xFFFFFFFF
* src/rtl/filebuf.c
* use hb_fsGetSize()