[Patch] Fix the narrow/widen problem in money_get::do_get

[Paolo Carlini]

Martin Sebor wrote:

> More importantly, do you know of any locales where there
> are two or more characters that ctype narrows to the same digit?

See:

    http://anubis.dkuug.dk/jtc1/sc22/wg21/docs/lwg-defects.html#303

and that DR is "WP", not "Open" ;)

Paolo.