Rename KryoPool -> KryoNamespace

Change-Id: Ife1c311b40eaab133bb3b8dd3314b98c60b4411d
diff --git a/core/store/dist/src/main/java/org/onlab/onos/store/link/impl/GossipLinkStore.java b/core/store/dist/src/main/java/org/onlab/onos/store/link/impl/GossipLinkStore.java
index d5ce52a..312d072 100644
--- a/core/store/dist/src/main/java/org/onlab/onos/store/link/impl/GossipLinkStore.java
+++ b/core/store/dist/src/main/java/org/onlab/onos/store/link/impl/GossipLinkStore.java
@@ -42,7 +42,7 @@
 import org.onlab.onos.store.impl.Timestamped;
 import org.onlab.onos.store.serializers.DistributedStoreSerializers;
 import org.onlab.onos.store.serializers.KryoSerializer;
-import org.onlab.util.KryoPool;
+import org.onlab.util.KryoNamespace;
 import org.slf4j.Logger;
 
 import java.io.IOException;
@@ -110,7 +110,7 @@
     private static final KryoSerializer SERIALIZER = new KryoSerializer() {
         @Override
         protected void setupKryoPool() {
-            serializerPool = KryoPool.newBuilder()
+            serializerPool = KryoNamespace.newBuilder()
                     .register(DistributedStoreSerializers.COMMON)
                     .register(InternalLinkEvent.class)
                     .register(InternalLinkRemovedEvent.class)