[gitg] Fix selectable button visibilities

[Jesse van den Kieboom <jessevdk src gnome org>]

commit dd607d80072d83d877bc0ab7cbb1254b83a48429
Author: Jesse van den Kieboom <jessevdk gnome org>
Date:   Mon Dec 21 22:07:57 2015 +0100

    Fix selectable button visibilities

 gitg/gitg-window.vala |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/gitg/gitg-window.vala b/gitg/gitg-window.vala
index 106c476..bdce09a 100644
--- a/gitg/gitg-window.vala
+++ b/gitg/gitg-window.vala
@@ -1103,9 +1103,9 @@ public class Window : Gtk.ApplicationWindow, GitgExt.Application, Initable
                        var issel = (d_selectable_mode == GitgExt.SelectionMode.SELECTION);
                        var searchable = current_activity as GitgExt.Searchable;
 
-                       d_header_bar.show_close_button = !issel;
+                       d_header_bar.show_close_button = !Gitg.PlatformSupport.use_native_window_controls() 
&& !issel;
                        d_search_button.visible = !issel && searchable != null;
-                       d_gear_menu.visible = !issel;
+                       d_gear_menu.visible = !issel && d_repository != null;
                        d_select_button.visible = !issel;
                        d_dash_button.visible = !issel && d_repository != null;
                        d_activities_switcher.visible = !issel && d_repository != null;