Fix checkstyle whitespace issues - WHITESPACE ONLY

Change-Id: Ic205c1afd639c6008d61d9de95cb764eeb6238ca
diff --git a/src/main/java/net/floodlightcontroller/core/internal/HandshakeTimeoutHandler.java b/src/main/java/net/floodlightcontroller/core/internal/HandshakeTimeoutHandler.java
index 6d3335f..d5950b4 100644
--- a/src/main/java/net/floodlightcontroller/core/internal/HandshakeTimeoutHandler.java
+++ b/src/main/java/net/floodlightcontroller/core/internal/HandshakeTimeoutHandler.java
@@ -1,19 +1,19 @@
 /**
-*    Copyright 2011, Big Switch Networks, Inc. 
-*    Originally created by David Erickson, Stanford University
-* 
-*    Licensed under the Apache License, Version 2.0 (the "License"); you may
-*    not use this file except in compliance with the License. You may obtain
-*    a copy of the License at
-*
-*         http://www.apache.org/licenses/LICENSE-2.0
-*
-*    Unless required by applicable law or agreed to in writing, software
-*    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
-*    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
-*    License for the specific language governing permissions and limitations
-*    under the License.
-**/
+ *    Copyright 2011, Big Switch Networks, Inc.
+ *    Originally created by David Erickson, Stanford University
+ *
+ *    Licensed under the Apache License, Version 2.0 (the "License"); you may
+ *    not use this file except in compliance with the License. You may obtain
+ *    a copy of the License at
+ *
+ *         http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *    Unless required by applicable law or agreed to in writing, software
+ *    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ *    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ *    License for the specific language governing permissions and limitations
+ *    under the License.
+ **/
 
 package net.floodlightcontroller.core.internal;
 
@@ -33,17 +33,17 @@
 /**
  * Trigger a timeout if a switch fails to complete handshake soon enough
  */
-public class HandshakeTimeoutHandler 
-    extends SimpleChannelUpstreamHandler
-    implements ExternalResourceReleasable {
-    static final HandshakeTimeoutException EXCEPTION = 
+public class HandshakeTimeoutHandler
+        extends SimpleChannelUpstreamHandler
+        implements ExternalResourceReleasable {
+    static final HandshakeTimeoutException EXCEPTION =
             new HandshakeTimeoutException();
-    
+
     final OFChannelState state;
     final Timer timer;
     final long timeoutNanos;
     volatile Timeout timeout;
-    
+
     public HandshakeTimeoutHandler(OFChannelState state, Timer timer,
                                    long timeoutSeconds) {
         super();
@@ -52,17 +52,17 @@
         this.timeoutNanos = TimeUnit.SECONDS.toNanos(timeoutSeconds);
 
     }
-    
+
     @Override
     public void channelOpen(ChannelHandlerContext ctx, ChannelStateEvent e)
             throws Exception {
         if (timeoutNanos > 0) {
-            timeout = timer.newTimeout(new HandshakeTimeoutTask(ctx), 
-                                       timeoutNanos, TimeUnit.NANOSECONDS);
+            timeout = timer.newTimeout(new HandshakeTimeoutTask(ctx),
+                    timeoutNanos, TimeUnit.NANOSECONDS);
         }
         ctx.sendUpstream(e);
     }
-    
+
     @Override
     public void channelClosed(ChannelHandlerContext ctx, ChannelStateEvent e)
             throws Exception {
@@ -76,7 +76,7 @@
     public void releaseExternalResources() {
         timer.stop();
     }
-    
+
     private final class HandshakeTimeoutTask implements TimerTask {
 
         private final ChannelHandlerContext ctx;