[evince] meson: Print systemd unit installation status

[Germán Poo-Caamaño <gpoo src gnome org>]

commit cbc4d8c8ff09d21564a55f2ca25e4a1483b5fbc1
Author: Iñigo Martínez <inigomartinez gmail com>
Date:   Wed Oct 3 22:05:39 2018 +0200

    meson: Print systemd unit installation status
    
    Recently, autotools has extended the configuration summary to also
    show the sytemd unit installation directory[0].
    
    It has also been added to meson build files.
    
    [0] https://gitlab.gnome.org/GNOME/evince/commit/4998e65a0573efaad773aa872cedbadd4214a571

 meson.build | 1 +
 1 file changed, 1 insertion(+)
---
diff --git a/meson.build b/meson.build
index 332264a9..4ddd0937 100644
--- a/meson.build
+++ b/meson.build
@@ -532,6 +532,7 @@ output += 'FEATURES\n\n'
 output += 'GTK Doc reference ........:  ' + enable_gtk_doc.to_string() + '\n'
 output += 'GObject Introspection ....:  ' + enable_introspection.to_string() + '\n'
 output += 'DBUS communication .......:  ' + enable_dbus.to_string() + '\n'
+output += 'systemd units installation:  ' + systemd_user_unit_dir + '\n'
 output += 'Keyring integration ......:  ' + enable_keyring.to_string() + '\n'
 output += 'GTK+ Unix Print ..........:  ' + enable_gtk_unix_print.to_string() + '\n'
 output += 'Thumbnail cache ..........:  ' + enable_thumbnail_cache.to_string() + '\n'