libsupc++ nit picks

[Benjamin Kosnik]

> > Is this just a result of many different authors?
> 
> Probably.  It is also true that some of the code is a lot older than
> other parts.

Right. 

> > Should this part of the library fall under the same
> > coding rules as the rest?
> 
> There are coding rules for all of the C++ library implementation but
> (if I remember the history) libsupc++ was developed outside the
> context of those rules and then later moved under libstdc++.

Yeah. This should be cleaned up, probably, but it's a low-priority item. 
If you want to C++STYLE-ize it, feel free.

-benjamin