stg_ap_v_ret porting crash: solved?

[Simon Marlow]

> > What are the binary sizes like?
> 
> magdcalc is
> 
> 2730251 (reg)
> 7697141 (unreg)
> 
> before stripping and
> 
> 1375696 (reg)
> 4771196 (unreg)
> 
> after.

A lot of that difference is due to the absence of SplitObjs on the
unregisterised build, so don't worry too much.

Cheers,
	Simon