[REVIEW-3-5] Fix for crash in fdo#50868

[Fridrich Strba]

Sorry, this one was held in the moderation queue for the whole weekend.

Anybody could have a look at it?

F.

On Sat, 2012-06-09 at 00:31 +0200, Fridrich Strba wrote: 
> I would love to have review for these two patches for 3.5.5.
> 
> The first one upgrades libvisio to version 0.0.17 that we have in the 
> 3.6 branch and the second patches that libvisio version to avoid crashes 
> with empty text data.
> 
> http://cgit.freedesktop.org/libreoffice/core/commit/?id=3f723b36c404374dcf10c347d913f8e3cba93fae
> http://cgit.freedesktop.org/libreoffice/core/commit/?id=e71749a089fa3e6463b80413b638f7dc32921a07
> 
> Useful, but not compulsory to fix fdo#50868 is the following patch
> 
> http://cgit.freedesktop.org/libreoffice/core/commit/?id=7575ebe35f6af1cc58e95a804087e7c1e0f06eee
> 
> It prevents dereferencing of &vec[0] when vec.empty(). It is an 
> additional check to prevent the kind of crashes like in fdo#50868.
> 
> Thanks for careful review, because it is a bit late :)
> 
> Fridrich
> 
>