[i18n] Updates for Swedish translation in the RELENG branch of Chora and Nag

[Andreas Dahlen]

Hello!

I've updated the swedish translations for the RELENG branch. The
files could be found at;

Chora:     http://www.dahlen.ws/update/release/chora/po/sv_SE.po
Nag:       http://www.dahlen.ws/update/release/nag/po/sv_SE.po

/Andreas