panel menu: Add separator between menu scrollbox and logout button

Author: soreau

src/panel/widgets/menu.cpp

@@ -336,6 +336,7 @@ void WayfireMenu::init(Gtk::HBox *container)
     logout_button.set_margin_right(35);
     hbox_bottom.pack_end(logout_button, false, false);
     popover_layout_box.pack_end(hbox_bottom);
+    popover_layout_box.pack_end(separator);
 
     load_menu_items_all();
     update_popover_layout();

src/panel/widgets/menu.hpp

@@ -8,6 +8,7 @@
 #include <gtkmm/image.h>
 #include <gtkmm/flowbox.h>
 #include <gtkmm/scrolledwindow.h>
+#include <gtkmm/separator.h>
 #include <set>
 
 class WayfireMenu;
@@ -40,6 +41,7 @@ class WayfireMenu : public WayfireWidget
     Gtk::HBox hbox, hbox_bottom;
     Gtk::VBox bottom_pad;
     Gtk::VBox popover_layout_box;
+    Gtk::Separator separator;
     Gtk::Image main_image;
     Gtk::Entry search_box;
     Gtk::FlowBox flowbox;