2014-05-02: SRFI: copyright 2013 and 2014 (to include the older code in the SRFI

SRFI: copyright 2013 and 2014 (to include the older code in the SRFI in the MIT licensing)

diff --git a/docs/srfi.org b/docs/srfi.org
--- a/docs/srfi.org
+++ b/docs/srfi.org
@@ -1077,7 +1077,7 @@ newline
 
 * Copyright
 
-      Copyright (C) Arne Babenhauserheide (2014). All Rights Reserved.
+      Copyright (C) Arne Babenhauserheide (2013--2014). All Rights Reserved.
 
       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: