$NetBSD$

Fix C++ error.

--- src/gui/auxiliary/event/dispatcher_private.hpp.orig	2011-02-24 12:38:36.000000000 +0000
+++ src/gui/auxiliary/event/dispatcher_private.hpp
@@ -319,7 +319,6 @@ struct find<false>
 			// MSVC 2008 doesn't like operator() here so changed the name.
 			return functor.template oper<item>(event);
 		} else {
-			typedef typename boost::mpl::next<itor>::type itor;
 			return find<boost::is_same<itor, end>::value>
 				::execute((itor*)0, (end*)0, event, functor);
 		}
