dirtyetc: fix initial error color
requested to merge larskoll-guest/hobbit-plugins:larskoll-fix-invalid-color-in-initial-error into master
The color is called "red" not "rot".
This is more a cosmetic fix to avoid: Error: color rot unknown at /usr/share/perl5/Hobbit.pm line 131.
I don't know anything about german localizations in Xymon colors, yet. And this is to hardcoded to be something like that. ;-)