Fixed: chroot-installation_buster_install_kde-full_upgrade_to_sid/2

[jenkins]

See 
https://jenkins.debian.net/job/chroot-installation_buster_install_kde-full_upgrade_to_sid/2//console
 or just 
https://jenkins.debian.net/job/chroot-installation_buster_install_kde-full_upgrade_to_sid/2/
 for more information.