minor bugfix. next step: implementing the preserveNextRoute action.

Must work in the following conditions:
- called from route.setupActions
- called from route.startActions
- called from route.contactActions
- called from autopilot after reaching route.endBlock

src/main/java/de/srsoftware/web4rail/actions/PreserveRoute.java

@@ -30,7 +30,7 @@ public class PreserveRoute extends Action {
 			return false; // train is expected to wait in next block.
 		}
 
-		train.reserveNext();
+		train.reserveRouteAfter(route);
 		return true;
 	}
 }