set logger in LRU cache to applications event logger.

src/helma/objectmodel/db/NodeManager.java

@@ -48,6 +48,7 @@ public final class NodeManager {
 	// Make actual cache size bigger, since we use it only up to the threshold
 	// cache = new CacheMap ((int) Math.ceil (cacheSize/0.75f), 0.75f);
 	cache = new CacheMap (cacheSize, 0.75f);
+	cache.setLogger (app.getLogger ("event"));
 	app.logEvent ("set up node cache ("+cacheSize+")");
 
 	safe = new WrappedNodeManager (this);