final variables and parameters

seeing some methods it does actually help to enforce the parameters

src/main/java/appeng/integration/modules/Waila.java

@@ -47,7 +47,7 @@ public class Waila implements IIntegrationModule
 		IntegrationHelper.testClassExistence( this, mcp.mobius.waila.api.ITaggedList.class );
 	}
 
-	public static void register( IWailaRegistrar registrar )
+	public static void register( final IWailaRegistrar registrar )
 	{
 		final IWailaDataProvider partHost = new PartWailaDataProvider();