Reflect main COPYRIGHT file

doc/guide/release/copyright.sdf

@@ -55,8 +55,8 @@ Public License}}.
 
 
 !block nofill
-Portions [[copyright]] 1999-2003 Howard Y.H. Chu.
-Portions [[copyright]] 1999-2003 Symas Corporation.
+Portions [[copyright]] 1999-2005 Howard Y.H. Chu.
+Portions [[copyright]] 1999-2005 Symas Corporation.
 Portions [[copyright]] 1998-2003 Hallvard B. Furuseth.
 {{All rights reserved.}}
 !endblock