Fix checkstyle whitespace issues - WHITESPACE ONLY

Change-Id: Ic205c1afd639c6008d61d9de95cb764eeb6238ca
diff --git a/src/main/java/net/floodlightcontroller/core/IUpdate.java b/src/main/java/net/floodlightcontroller/core/IUpdate.java
index 950bc0f..f0f866d 100644
--- a/src/main/java/net/floodlightcontroller/core/IUpdate.java
+++ b/src/main/java/net/floodlightcontroller/core/IUpdate.java
@@ -1,8 +1,8 @@
 package net.floodlightcontroller.core;
 
 public interface IUpdate {
-	
-    /** 
+
+    /**
      * Calls the appropriate listeners
      */
     public void dispatch();