Fix checkstyle whitespace issues - WHITESPACE ONLY

Change-Id: Ic205c1afd639c6008d61d9de95cb764eeb6238ca
diff --git a/src/main/java/net/onrc/onos/core/intent/IntentOperationList.java b/src/main/java/net/onrc/onos/core/intent/IntentOperationList.java
index a3981fa..7691c68 100644
--- a/src/main/java/net/onrc/onos/core/intent/IntentOperationList.java
+++ b/src/main/java/net/onrc/onos/core/intent/IntentOperationList.java
@@ -6,9 +6,9 @@
  * @author Toshio Koide (t-koide@onlab.us)
  */
 public class IntentOperationList extends LinkedList<IntentOperation> {
-	private static final long serialVersionUID = -3894081461861052610L;
+    private static final long serialVersionUID = -3894081461861052610L;
 
-	public boolean add(IntentOperation.Operator op, Intent intent) {
-		return add(new IntentOperation(op, intent));
-	}
+    public boolean add(IntentOperation.Operator op, Intent intent) {
+        return add(new IntentOperation(op, intent));
+    }
 }