[glib/wip/gnotification] fdo backend: don't crash when default action is unset

[Lars Uebernickel <larsu src gnome org>]

commit 6f8c5e18819473e305ab9011b54bb892fc0712e2
Author: Lars Uebernickel <lars uebernic de>
Date:   Mon Oct 21 12:30:43 2013 -0400

    fdo backend: don't crash when default action is unset

 gio/gfdonotificationbackend.c |    7 +++----
 1 files changed, 3 insertions(+), 4 deletions(-)
---
diff --git a/gio/gfdonotificationbackend.c b/gio/gfdonotificationbackend.c
index e6f026b..ad665be 100644
--- a/gio/gfdonotificationbackend.c
+++ b/gio/gfdonotificationbackend.c
@@ -339,7 +339,7 @@ g_fdo_notification_backend_send_notification (GNotificationBackend *backend,
   n = g_fdo_notification_backend_find_notification (self, id);
   if (n == NULL)
     {
-      n = g_slice_new (FreedesktopNotification);
+      n = g_slice_new0 (FreedesktopNotification);
       n->backend = self;
       n->id = g_strdup (id);
       n->notify_id = 0;
@@ -349,9 +349,8 @@ g_fdo_notification_backend_send_notification (GNotificationBackend *backend,
   else
     {
       /* Only clear default action. All other fields are still valid */
-      g_free (n->default_action);
-      if (n->default_action_target)
-        g_variant_unref (n->default_action_target);
+      g_clear_pointer (&n->default_action, g_free);
+      g_clear_pointer (&n->default_action_target, g_variant_unref);
     }
 
   g_notification_get_default_action (notification, &n->default_action, &n->default_action_target);