[folks] key-file: Add missing licencing header

[Philip Withnall <pwithnall src gnome org>]

commit 5a38700caaad1f459274e47b27085c2809d2780e
Author: Philip Withnall <philip withnall collabora co uk>
Date:   Mon Nov 11 10:18:02 2013 +0000

    key-file: Add missing licencing header
    
    https://bugzilla.gnome.org/show_bug.cgi?id=712274

 tests/lib/key-file/backend.vala |   22 ++++++++++++++++++++++
 1 files changed, 22 insertions(+), 0 deletions(-)
---
diff --git a/tests/lib/key-file/backend.vala b/tests/lib/key-file/backend.vala
index 0b241fe..ec5b31a 100644
--- a/tests/lib/key-file/backend.vala
+++ b/tests/lib/key-file/backend.vala
@@ -1,3 +1,25 @@
+/* backend.vala
+ *
+ * Copyright © 2010 Collabora Ltd.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301  USA
+ *
+ * Author:
+ *      Philip Withnall <philip withnall collabora co uk>
+ */
+
 public class KfTest.Backend
 {
   private string key_file_name;