add new line at EOF

Change-Id: I9396405c4c81af64ad8f70cf685a9631b076a05b
diff --git a/core/store/src/main/java/org/onlab/onos/store/device/impl/package-info.java b/core/store/src/main/java/org/onlab/onos/store/device/impl/package-info.java
index ae11260..2fd9f27 100644
--- a/core/store/src/main/java/org/onlab/onos/store/device/impl/package-info.java
+++ b/core/store/src/main/java/org/onlab/onos/store/device/impl/package-info.java
@@ -1,4 +1,4 @@
 /**
  * Implementation of device store using Hazelcast distributed structures.
  */
-package org.onlab.onos.store.device.impl;
\ No newline at end of file
+package org.onlab.onos.store.device.impl;