small oversight in new_allocator.h

[Benjamin Kosnik]

>On line 80: of new_allocator.h, a reference is made to
>allocator<void>::....... whereas allocator is not included in that file.
>Suggested change: replace by const void* (which makes me wonder whether
>it makes sense to have void objects?)

You're lagging CVS a bit.... this was fixed with the switch. Current
/ext/new_allocator.h has this fix already.

best,
benjamin