Properties don't like having non-Strings put into them.

git-svn-id: https://samskivert.googlecode.com/svn/trunk@2141 6335cc39-0255-0410-8fd6-9bcaacd3b74c

src/java/com/samskivert/velocity/DispatcherServlet.java

@@ -255,7 +255,8 @@ public class DispatcherServlet extends HttpServlet
         props.setProperty("userdirective", ImportDirective.class.getName());
 
         // configure the servlet context logger
-        props.put(RuntimeSingleton.RUNTIME_LOG_LOGSYSTEM, new ServletContextLogger());
+        props.put(RuntimeSingleton.RUNTIME_LOG_LOGSYSTEM_CLASS,
+                  ServletContextLogger.class.getName());
 
         // now return our augmented properties
         return props;