gnome-screensaver-command -l crash

[Emmanuel LESNE]

After migration on 20.04, "gnome-screensaver-command -l" is not working.

On my test, "nome-screensaver-command -a" is working.

ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: gnome-screensaver 3.6.1-11ubuntu4
ProcVersionSignature: Ubuntu 5.4.0-58.64-generic 5.4.73
Uname: Linux 5.4.0-58-generic x86_64
NonfreeKernelModules: nvidia_modeset nvidia
ApportVersion: 2.20.11-0ubuntu27.13
Architecture: amd64
CasperMD5CheckResult: skip
CurrentDesktop: ubuntu:GNOME
Date: Thu Dec 24 12:25:50 2020
GnomeSessionIdleInhibited: No
GnomeSessionInhibitors: None
GsettingsGnomeSession:
 org.gnome.desktop.session session-name 'ubuntu'
 org.gnome.desktop.session idle-delay uint32 0
InstallationDate: Installed on 2020-09-05 (110 days ago)
InstallationMedia: Ubuntu 20.04 LTS "Focal Fossa" - Release amd64 (20200423)
ProcEnviron:
 TERM=xterm-256color
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=fr_FR.UTF-8
 SHELL=/usr/bin/zsh
SourcePackage: gnome-screensaver
UpgradeStatus: No upgrade log present (probably fresh install)