fixed bug in ChangePredictionOverlay

wizard-client/wizard-client-libgdx/core/src/main/java/eu/jonahbauer/wizard/client/libgdx/actions/overlay/MakePredictionOverlay.java

@@ -55,7 +55,7 @@ public class MakePredictionOverlay extends Overlay implements InteractionOverlay
         };
 
         for (int i = 0; i < values.length; i++) {
-            buttons[i] = new TextButton(String.valueOf(i), skin);
+            buttons[i] = new TextButton(String.valueOf(values[i]), skin);
             buttons[i].addListener(listener);
             buttonGroup.addActor(buttons[i]);
         }