[gnote] Fix compiler warning

[Aurimas Černius <aurimasc src gnome org>]

commit e472fbc865479a0959bb2d9c7f66683fde8c46ba
Author: Aurimas Černius <aurisc4 gmail com>
Date:   Sun Jul 17 18:07:35 2016 +0300

    Fix compiler warning

 src/synchronization/syncutils.cpp |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/src/synchronization/syncutils.cpp b/src/synchronization/syncutils.cpp
index 65c5ded..bf8aede 100644
--- a/src/synchronization/syncutils.cpp
+++ b/src/synchronization/syncutils.cpp
@@ -1,7 +1,7 @@
 /*
  * gnote
  *
- * Copyright (C) 2012-2014 Aurimas Cernius
+ * Copyright (C) 2012-2014,2016 Aurimas Cernius
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -68,7 +68,7 @@ namespace sync {
     xml.load_buffer(m_xml_content);
     NoteData *data = new NoteData(m_uuid);
     NoteArchiver::obj().read(xml, *data);
-    std::auto_ptr<NoteData> update_data(data);
+    std::unique_ptr<NoteData> update_data(data);
     xml.close();
 
     // NOTE: Mostly a hack to ignore missing version attributes