Fix Tabs in PortDownReconcilation and Test files.

src/main/java/net/floodlightcontroller/flowcache/PortDownReconciliation.java

@@ -154,8 +154,8 @@ public class PortDownReconciliation implements IFloodlightModule,
 
 	@Override
 	public void startUp(FloodlightModuleContext context) {
-		topology.addListener((ITopologyListener) this);
-		frm.addFlowReconcileListener((IFlowReconcileListener) this);
+		topology.addListener(this);
+		frm.addFlowReconcileListener(this);
 	}
 
 	@Override

src/test/java/net/floodlightcontroller/flowcache/PortDownReconciliationTest.java

@@ -103,7 +103,8 @@ public class PortDownReconciliationTest extends FloodlightTestCase {
 	protected FloodlightContext cntx;
 	protected List<OFStatistics> statsReply;
 
-	@Before
+	@Override
+    @Before
 	public void setUp() throws Exception {
 		super.setUp();