Fix debian changelog.

# Please enter the commit message for your changes. Lines starting
# with '#' will be ignored, and an empty message aborts the commit.
#
# Date:      Tue Sep 15 18:33:58 2020 +0200
#
# On branch bugfix
# Your branch is ahead of 'origin/bugfix' by 23 commits.
#   (use "git push" to publish your local commits)
#
# Changes to be committed:
#	modified:   debian/changelog
#	modified:   misc/systemd/rrr.service
#
