[PATCH] More implicit typename fixes

[Paolo Carlini]

Jason Merrill wrote:

> I disagree; 'typename ctype::mask' is the simplest form, since there is no
> 'inherited' keyword, and the compiler should accept it.  Paolo, please send
> Nathan Sidwell a bug report about his warning being overeager.

Ok, I will inform Nathan Sidwell about the warning, perhaps he did'nt really mean to emit
it, who knows?

For the time being, my new round of missing typename keywords
(http://gcc.gnu.org/ml/libstdc++/2001-12/msg00332.html) can go in?

Thanks,
Paolo.