add missing override

Author: baltzell

reconstruction/ft/src/test/java/org/jlab/service/ft/FTEBEngineTest.java

@@ -74,13 +74,14 @@ public class FTEBEngineTest extends ReconstructionEngine {
     public static H2F hSeedDet1 = new H2F("lay 4 vs lay3 cluster seeds fo form a cross", 768/4, -0.5, 767.5, 768/4, -0.5, 767.5);
 
     public static Point3D centerOfTarget = new Point3D(0., 0., -3.);
-    
-   
 
     public FTEBEngineTest() {
         super("FTEB", "devita", "3.0");
     }
 
+    @Override
+    public void detectorChanged(int i) {}
+
     @Override
     public boolean init() {
         reco = new FTEventBuilder();