Make Logger instance final as SL4J suggests
diff --git a/src/test/java/net/floodlightcontroller/core/module/FloodlightTestModuleLoader.java b/src/test/java/net/floodlightcontroller/core/module/FloodlightTestModuleLoader.java
index 2ba838e..be43a8b 100644
--- a/src/test/java/net/floodlightcontroller/core/module/FloodlightTestModuleLoader.java
+++ b/src/test/java/net/floodlightcontroller/core/module/FloodlightTestModuleLoader.java
@@ -19,7 +19,7 @@
 import net.floodlightcontroller.topology.TopologyManager;
 
 public class FloodlightTestModuleLoader extends FloodlightModuleLoader {
-	protected static Logger log = LoggerFactory.getLogger(FloodlightTestModuleLoader.class);
+	protected final static Logger log = LoggerFactory.getLogger(FloodlightTestModuleLoader.class);
 	
 	// List of default modules to use unless specified otherwise
 	public static final Class<? extends IFloodlightModule> DEFAULT_STORAGE_SOURCE =