[REVIEW 3-6] Update mdds to 0.6.1.

[Markus Mohrhard]

Hey Kohei,

2012/9/18 Kohei Yoshida <kohei.yoshida at gmail.com>:
> I would like the attached patch to be merged to the 3-6 branch in order to
> update the internal mdds to 0.6.1.  This version fixes one important bug in
> the iterator implementation of flat_segment_tree, so having 0.6.1 available
> will make it easier to backport any future fixes I might backport to 3.6.
>
> I've also attached relevant changes (changes that affect libreoffice)
> between 0.6.0 and 0.6.1.
>

Patch looks good and safe to me. You have my sign-off for 3-6.

Regards,
Markus