[gdm] meson: Expose GDM XSession option to summary

[Marco Trevisan <marcotrevi src gnome org>]

commit b1074df097fe44d5327159d47182e86d272f3ef9
Author: Marco Trevisan (Treviño) <mail 3v1n0 net>
Date:   Mon Aug 31 15:29:19 2020 +0200

    meson: Expose GDM XSession option to summary

 meson.build | 1 +
 1 file changed, 1 insertion(+)
---
diff --git a/meson.build b/meson.build
index 16e5a9c8..c1c98de6 100644
--- a/meson.build
+++ b/meson.build
@@ -314,6 +314,7 @@ summary({
     'PAM Syslog': have_pam_syslog,
     'Supports PAM Extensions': pam_extensions_supported,
     'SeLinux': libselinux_dep.found(),
+    'Use GDM Xsession': get_option('gdm-xsession'),
     'Use UserDisplayServer': get_option('user-display-server'),
     'Use SystemdJournal': get_option('systemd-journal'),
     'Use WaylandSupport': get_option('wayland-support'),