[gnome-todo/gnome-3-24] task-list: Fix possible memory leak on list rename

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

commit e3deda472f22b9d7841021e63a1873d1fdf4cab5
Author: Mohammed Sadiq <sadiq sadiqpk org>
Date:   Thu May 25 19:36:50 2017 +0530

    task-list: Fix possible memory leak on list rename
    
    https://bugzilla.gnome.org/show_bug.cgi?id=783096

 src/gtd-task-list.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/src/gtd-task-list.c b/src/gtd-task-list.c
index afa54a4..1bff3b7 100644
--- a/src/gtd-task-list.c
+++ b/src/gtd-task-list.c
@@ -503,6 +503,7 @@ gtd_task_list_set_name (GtdTaskList *list,
 
   if (g_strcmp0 (priv->name, name) != 0)
     {
+      g_free (priv->name);
       priv->name = g_strdup (name);
 
       g_object_notify (G_OBJECT (list), "name");