+ New code for plataform diferent of HB_OS_DOS and HB_OS_DOS_32.
The new code not use call to C function.
+ Add new parameter. FT_TEMPFIL( cPath, [lHidden], [@nHandle] )
if [@]nHandle is used, the function not close the temp file and
return the handle by nHandle.
This parameter should be passed by reference.
If this parameter is not used or not passed by reference, the temp
file is closed.