Implement has_option in Xsession
Now that x11-common moved this function from 20x11-common_process-args to Xsession (see #920778), gdm's version of Xsession also has to implement it. Closes: #972108.
Now that x11-common moved this function from 20x11-common_process-args to Xsession (see #920778), gdm's version of Xsession also has to implement it. Closes: #972108.