[gnome-todo] task-list-view: update empty state when all tasks are complete

[Georges Basile Stavracas Neto <gbsneto src gnome org>]

commit 0cc37e1ccc85427d6d0497afc6bad0099bc1bc89
Author: Georges Basile Stavracas Neto <georges stavracas gmail com>
Date:   Thu Oct 6 16:01:42 2016 -0300

    task-list-view: update empty state when all tasks are complete

 src/gtd-task-list-view.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/src/gtd-task-list-view.c b/src/gtd-task-list-view.c
index 4344954..72cb8f5 100644
--- a/src/gtd-task-list-view.c
+++ b/src/gtd-task-list-view.c
@@ -666,6 +666,8 @@ gtd_task_list_view__task_completed (GObject    *object,
     {
       gtk_list_box_invalidate_sort (priv->listbox);
     }
+
+  gtd_task_list_view__update_empty_state (user_data);
 }
 
 static void