Remove whitespaces to match floodlight original code.
diff --git a/src/main/java/net/floodlightcontroller/core/internal/OFSwitchImpl.java b/src/main/java/net/floodlightcontroller/core/internal/OFSwitchImpl.java
index e0ff8c3..fc5cf75 100644
--- a/src/main/java/net/floodlightcontroller/core/internal/OFSwitchImpl.java
+++ b/src/main/java/net/floodlightcontroller/core/internal/OFSwitchImpl.java
@@ -268,7 +268,7 @@
     public void disconnectOutputStream() {
         channel.close();
     }
-    
+
     @Override
     @JsonIgnore
     public void setFeaturesReply(OFFeaturesReply featuresReply) {