Fix generated xsession file to check for VBoxClient before trying to run it. This unbreaks XDM logins on VMs where guest additions are not installed. Guest additions do not currently work on 15.0.
Fix generated xsession file to check for VBoxClient before trying to run it. This unbreaks XDM logins on VMs where guest additions are not installed. Guest additions do not currently work on 15.0.