[Qa-jenkins-scm] Fixed: chroot-installation_stretch_install_design-desktop-animation/18

[jenkins at jenkins.debian.net]

See https://jenkins.debian.net/job/chroot-installation_stretch_install_design-desktop-animation/18//console or just https://jenkins.debian.net/job/chroot-installation_stretch_install_design-desktop-animation/18/ for more information.