* harbour/make_xmingwce.sh
! added -D__PLATFORM__Windows for non MS-Windows based hosts I
removed by mistake in previous commit
* harbour/bin/hb-mkslib.sh
* harbour/bin/hb-func.sh
* harbour/bin/postinst.sh
* in cross builds changed hb-mkslib.sh name to respect prefix used
by other hb* scripts (f.e. hbce or hbw) and set destination platform
to fixed value