PATCH to libstdc++: Don't be sloppy about names used in templates

[Gabriel Dos Reis]

Paolo Carlini <pcarlini@unitus.it> writes:

| Gabriel Dos Reis wrote:
| 
| >I tried before applying the patch: it does not work.
| >For some reason snprintf is not in std::
| >
| Ah!
| May this have to do with the fact that 'snprintf' is only in C99 and
| not in C90? 

Probably.

| Are other C99-only functions injected in std::?

Yes.  I can see many in <cmath> when USE_C99 is active.

-- Gaby