Make Logger instance final as SL4J suggests
diff --git a/src/main/java/net/floodlightcontroller/staticflowentry/web/StaticFlowEntryPusherResource.java b/src/main/java/net/floodlightcontroller/staticflowentry/web/StaticFlowEntryPusherResource.java
index 3b750ae..2886a58 100644
--- a/src/main/java/net/floodlightcontroller/staticflowentry/web/StaticFlowEntryPusherResource.java
+++ b/src/main/java/net/floodlightcontroller/staticflowentry/web/StaticFlowEntryPusherResource.java
@@ -40,7 +40,7 @@
  */
 @LogMessageCategory("Static Flow Pusher")
 public class StaticFlowEntryPusherResource extends ServerResource {
-    protected static Logger log = LoggerFactory.getLogger(StaticFlowEntryPusherResource.class);
+    protected final static Logger log = LoggerFactory.getLogger(StaticFlowEntryPusherResource.class);
     
     /**
      * Checks to see if the user matches IP information without