Fix checkstyle whitespace issues - WHITESPACE ONLY

Change-Id: Ic205c1afd639c6008d61d9de95cb764eeb6238ca
diff --git a/src/main/java/net/onrc/onos/core/datastore/ObjectExistsException.java b/src/main/java/net/onrc/onos/core/datastore/ObjectExistsException.java
index 75c4e4d..08be74f 100644
--- a/src/main/java/net/onrc/onos/core/datastore/ObjectExistsException.java
+++ b/src/main/java/net/onrc/onos/core/datastore/ObjectExistsException.java
@@ -13,7 +13,7 @@
     }
 
     public ObjectExistsException(final IKVTableID tableID, final byte[] key,
-            final Throwable cause) {
+                                 final Throwable cause) {
         super(ByteArrayUtil.toHexStringBuffer(key, ":")
                 + " already exist on table:" + tableID, cause);
     }