Rename KryoPool -> KryoNamespace

Change-Id: Ife1c311b40eaab133bb3b8dd3314b98c60b4411d
diff --git a/core/store/dist/src/main/java/org/onlab/onos/store/flow/impl/DistributedFlowRuleStore.java b/core/store/dist/src/main/java/org/onlab/onos/store/flow/impl/DistributedFlowRuleStore.java
index dbe6734..e5b2ed6 100644
--- a/core/store/dist/src/main/java/org/onlab/onos/store/flow/impl/DistributedFlowRuleStore.java
+++ b/core/store/dist/src/main/java/org/onlab/onos/store/flow/impl/DistributedFlowRuleStore.java
@@ -35,7 +35,7 @@
 import org.onlab.onos.store.flow.ReplicaInfoService;
 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 com.google.common.collect.ArrayListMultimap;
@@ -72,7 +72,7 @@
     protected static final KryoSerializer SERIALIZER = new KryoSerializer() {
         @Override
         protected void setupKryoPool() {
-            serializerPool = KryoPool.newBuilder()
+            serializerPool = KryoNamespace.newBuilder()
                     .register(DistributedStoreSerializers.COMMON)
                     .build()
                     .populate(1);