- change fprinf(stderr...) and exit to BX_PANIC.  This should be done   in a more systematic way.
- change fprinf(stderr...) and exit to BX_PANIC.  This should be done
  in a more systematic way.

marmolejo/bochs-zet,marmolejo/bochs-zet,marmolejo/bochs-zet,marmolejo/bochs-zet,marmolejo/bochs-zet