Bug#856724: [INTL:da] Danish translation of the template apt-listbugs

[Morten Bo Johansen]

Morten Bo Johansen <m...@mbjnet.dk> skrev:

> - alvorsgrad (singular)
> - alvorsgrader (plural)

I forgot to add:

- alvorsgraden (definite form, singular)
- alvorsgraderne (definite form, plural

 Morten