[PATCH] Fix a num_put::_M_widen_int corner case

[Benjamin Kosnik]

> 2002-09-27  Paolo Carlini  <pcarlini@unitus.it>
> 
>         * include/bits/locale_facets.tcc (num_put::_M_widen_int):
>         Deal correctly with grouped, showbased (oct or hex) zero.
>         * testsuite/22_locale/num_put_members_char.cc: Add test05.
>         * testsuite/22_locale/num_put_members_wchar_t.cc: Ditto.

looks fine for both, but make sure all checkins to the 3_2-branch pass
'make check-abi'

thanks!

-benjamin