[banshee] Mtp: add missing headers in AbstractTrackList.cs file

[Andrés Aragoneses <aaragoneses src gnome org>]

commit f3ef75b36680aacb8929c3ebc8df7f40cba319a1
Author: Andrés G. Aragoneses <knocte gmail com>
Date:   Mon Jul 28 20:02:33 2014 +0200

    Mtp: add missing headers in AbstractTrackList.cs file
    
    They were not included at its creation in [1].
    
    [1] https://git.gnome.org/browse/banshee/commit/?id=1fdd2fc04b08543d28e7d87ccf1aae2ae559f400

 src/Libraries/Mtp/Mtp/AbstractTrackList.cs |   31 ++++++++++++++++++++++++++++
 1 files changed, 31 insertions(+), 0 deletions(-)
---
diff --git a/src/Libraries/Mtp/Mtp/AbstractTrackList.cs b/src/Libraries/Mtp/Mtp/AbstractTrackList.cs
index 4c18c72..a604f38 100644
--- a/src/Libraries/Mtp/Mtp/AbstractTrackList.cs
+++ b/src/Libraries/Mtp/Mtp/AbstractTrackList.cs
@@ -1,3 +1,34 @@
+/***************************************************************************
+ *  AbstractTrackList.cs
+ *
+ *  Copyright (C) 2008 Novell
+ *  Copyright (C) 2010 Alan McGovern
+ *  Authors:
+ *  Gabriel Burt (gburt novell com)
+ *  Alan McGovern (alan mcgovern gmail com)
+ ****************************************************************************/
+
+/*  THIS FILE IS LICENSED UNDER THE MIT LICENSE AS OUTLINED IMMEDIATELY BELOW:
+*
+*  Permission is hereby granted, free of charge, to any person obtaining a
+*  copy of this software and associated documentation files (the "Software"),
+*  to deal in the Software without restriction, including without limitation
+*  the rights to use, copy, modify, merge, publish, distribute, sublicense,
+*  and/or sell copies of the Software, and to permit persons to whom the
+*  Software is furnished to do so, subject to the following conditions:
+*
+*  The above copyright notice and this permission notice shall be included in
+*  all copies or substantial portions of the Software.
+*
+*  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+*  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+*  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+*  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+*  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+*  FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+*  DEALINGS IN THE SOFTWARE.
+*/
+
 using System;
 using System.Collections.Generic;
 using System.Runtime.InteropServices;