=str typos in returned types in javadsl

sadly a reflection based spec cannot easily test this

akka-stream-tests/src/test/java/akka/stream/javadsl/SinkTest.java

@@ -0,0 +1,55 @@
+/**
+ * Copyright (C) 2014 Typesafe Inc. <http://www.typesafe.com>
+ */
+package akka.stream.javadsl;
+
+import akka.actor.ActorRef;
+import akka.actor.ActorSystem;
+import akka.dispatch.Foreach;
+import akka.dispatch.Futures;
+import akka.dispatch.OnSuccess;
+import akka.japi.Pair;
+import akka.japi.Util;
+import akka.stream.FlowMaterializer;
+import akka.stream.MaterializerSettings;
+import akka.stream.OverflowStrategy;
+import akka.stream.Transformer;
+import akka.stream.javadsl.japi.*;
+import akka.stream.testkit.AkkaSpec;
+import akka.testkit.JavaTestKit;
+import org.junit.ClassRule;
+import org.junit.Test;
+import org.reactivestreams.Publisher;
+import scala.Option;
+import scala.collection.immutable.Seq;
+import scala.concurrent.Await;
+import scala.concurrent.Future;
+import scala.concurrent.duration.Duration;
+import scala.concurrent.duration.FiniteDuration;
+import scala.runtime.BoxedUnit;
+import scala.util.Try;
+
+import java.util.*;
+import java.util.concurrent.Callable;
+import java.util.concurrent.TimeUnit;
+
+import static org.junit.Assert.assertEquals;
+
+public class SinkTest {
+
+  @ClassRule
+  public static AkkaJUnitActorSystemResource actorSystemResource = new AkkaJUnitActorSystemResource("FlowTest",
+      AkkaSpec.testConf());
+
+  final ActorSystem system = actorSystemResource.getSystem();
+
+  final MaterializerSettings settings = new MaterializerSettings(2, 4, 2, 4, "akka.test.stream-dispatcher");
+  final FlowMaterializer materializer = FlowMaterializer.create(settings, system);
+
+  @Test
+  public void mustBeAbleToUseFanoutPublisher() throws Exception {
+    KeyedSink<Object, Publisher<Object>> pubSink = Sink.fanoutPublisher(2, 2);
+    Publisher<Object> publisher = Source.from(new ArrayList<Object>()).runWith(pubSink, materializer);
+  }
+
+}