Fixed: chroot-installation_buster_install_qt4_upgrade_to_sid/24

[jenkins]

See 
https://jenkins.debian.net/job/chroot-installation_buster_install_qt4_upgrade_to_sid/24//console
 or just 
https://jenkins.debian.net/job/chroot-installation_buster_install_qt4_upgrade_to_sid/24/
 for more information.