[metacity] theme-viewer: add appmenu to button layout

[Alberts Muktupāvels <muktupavels src gnome org>]

commit ed0e75b761efddd4d031713b5e7987f13ea1fa6b
Author: Alberts Muktupāvels <alberts muktupavels gmail com>
Date:   Wed May 10 20:42:45 2017 +0300

    theme-viewer: add appmenu to button layout

 data/ui/theme-viewer-window.ui |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/data/ui/theme-viewer-window.ui b/data/ui/theme-viewer-window.ui
index 79637ad..4a04856 100644
--- a/data/ui/theme-viewer-window.ui
+++ b/data/ui/theme-viewer-window.ui
@@ -311,7 +311,7 @@
                           <object class="GtkEntry" id="button_layout_entry">
                             <property name="visible">True</property>
                             <property name="can_focus">True</property>
-                            <property name="text">:minimize,maximize,close</property>
+                            <property name="text">appmenu:minimize,maximize,close</property>
                             <signal name="changed" handler="button_layout_entry_changed_cb" swapped="no"/>
                           </object>
                           <packing>