sb2: fix to check_qemu_features()
sb2: fix to check_qemu_features()

ldbox/ldbox,OlegGirko/ldbox,OlegGirko/ldbox,h113331pp/scratchbox2,ldbox/ldbox,OlegGirko/ldbox,h113331pp/scratchbox2,ldbox/ldbox,h113331pp/scratchbox2,OlegGirko/ldbox,ldbox/ldbox,ldbox/ldbox,OlegGirko/ldbox,h113331pp/scratchbox2,OlegGirko/ldbox,h113331pp/scratchbox2,ldbox/ldbox,h113331pp/scratchbox2