logname reports "no login name" in xfce4-terminal

Submitted by Hongxu

Assigned to Igor @f2404

Link to original bug (#16290)

Description

While using logname command (whatever zsh/bash/sh) in xfce4-terminal emulator, it reports "logname: no login name". I assume this is an issue of xfce4-terminal since in gnome-terminal or tty, logname correctly prints the name.

Version: 0.8.8