new strings in LibreOffice 5.2

Hi,

I noticed today, that an important bug fix introduced two new strings in
LibreOffice 5.2.

https://cgit.freedesktop.org/libreoffice/core/diff/sd/source/core/glob.src?h=libreoffice-5-2&id=be2de90a0f32fb6054691cdba4ef533f236a1072

Christian, could you please update Pootle?
Martin, I updated the pot files for you:
http://dev-www.libreoffice.org/l10n/latest-pot/libreoffice-5.2-en-US-2016-11-21.pot.zip

Thanks,
Andras