[m-dev.] Change grade handling

[Thomas Charles CONWAY]

Fergus Henderson, you write:
> > runtime/getopt.h:
> > 	fix a prototype so that it *is* a prototype to shut up gcc.
> 
> This one should definitely be committed separately.
> 
> Also, this change might cause portability problems, so I'm
> not sure that it is the right fix.
> 

I've only observed warnings from this non-prototype on the Alpha -
I'll leave out this change for the time being

Thomas
-- 
Thomas Conway <conway at cs.mu.oz.au>
Nail here [] for new monitor.  )O+