Fix checkstyle whitespace issues - WHITESPACE ONLY

Change-Id: Ic205c1afd639c6008d61d9de95cb764eeb6238ca
diff --git a/src/main/java/net/onrc/onos/core/intent/IntentOperation.java b/src/main/java/net/onrc/onos/core/intent/IntentOperation.java
index 006c159..0cb42ff 100644
--- a/src/main/java/net/onrc/onos/core/intent/IntentOperation.java
+++ b/src/main/java/net/onrc/onos/core/intent/IntentOperation.java
@@ -4,37 +4,38 @@
  * @author Toshio Koide (t-koide@onlab.us)
  */
 public class IntentOperation {
-	public enum Operator {
-		/**
-		 * Add new intent specified by intent field.
-		 */
-		ADD,
+    public enum Operator {
+        /**
+         * Add new intent specified by intent field.
+         */
+        ADD,
 
-		/**
-		 * Remove existing intent specified by intent field.
-		 * The instance of intent field should be an instance of Intent class (not a child class)
-		 */
-		REMOVE,
+        /**
+         * Remove existing intent specified by intent field.
+         * The instance of intent field should be an instance of Intent class (not a child class)
+         */
+        REMOVE,
 
-		/**
-		 * Do error handling.
-		 * The instance of intent field should be an instance of ErrorIntent
-		 */
-		ERROR,
-	}
+        /**
+         * Do error handling.
+         * The instance of intent field should be an instance of ErrorIntent
+         */
+        ERROR,
+    }
 
-	public Operator operator;
-	public Intent intent;
+    public Operator operator;
+    public Intent intent;
 
-	protected IntentOperation() {}
+    protected IntentOperation() {
+    }
 
-	public IntentOperation(Operator operator, Intent intent) {
-		this.operator = operator;
-		this.intent = intent;
-	}
+    public IntentOperation(Operator operator, Intent intent) {
+        this.operator = operator;
+        this.intent = intent;
+    }
 
-	@Override
-	public String toString() {
-		return operator.toString() + ", (" + intent.toString() + ")";
-	}
+    @Override
+    public String toString() {
+        return operator.toString() + ", (" + intent.toString() + ")";
+    }
 }