[REVIEW 3-6-2 1/3] Crasher fix for xlsx import

[Markus Mohrhard]

Hey,

2012/9/20 Kohei Yoshida <kohei.yoshida at gmail.com>:
> I've cherry-picked
>
> https://gerrit.libreoffice.org/gitweb?p=core.git;a=commitdiff;h=3ad52a6453ff612409123db29dc74a9071789aab
>
> Just a minute ago to fix
>
> https://bugs.freedesktop.org/show_bug.cgi?id=48366
> https://bugs.freedesktop.org/show_bug.cgi?id=54609
>
> the latter of which is a hard-hack.  The cherry-picking to the 3-6 branch
> was done with my sign-off, and we need two more sign-offs to push this
> change into 3-6-2.
>

Looks good to me. One more needed for 3-6-2.