Add missing copyright/license

[SVN r28828]

example/fsm/player2.cpp

@@ -1,5 +1,8 @@
 //
-// Copyright 2003-2004 David Abrahams and Aleksey Gurtovoy. All Rights Reserved
+// Copyright 2005 David Abrahams and Aleksey Gurtovoy. Distributed
+// under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at
+// http://www.boost.org/LICENSE_1_0.txt)
 //
 #include "boost/mpl/int.hpp"
 #include "boost/mpl/fold.hpp"