Patch for Kyoto Cabinet

[Matthias Andree]

Am 26.01.2016 um 02:28 schrieb Matthias Andree:

> I have looked at it, and figured that the implementation has a few
> issues and makes the self-tests fail that you can run with "make check".

Denny,

nevermind, I figured it out - in the db_foreach() implementation, the
data itself must not be a duplicate string through xstrdup().  I fixed
that, and now the self-tests pass.

I have committed the Kyoto Database support in r7045.

Thanks again!

Best regards,
Matthias.