Make final

src/de/steamwar/misslewars/listener/DeathListener.java

@@ -34,7 +34,7 @@ import java.util.EnumSet;
 
 public class DeathListener extends BasicListener {
 
-	private static Vector ZERO = new Vector(0, 0, 0);
+	private static final Vector ZERO = new Vector(0, 0, 0);
 
 	public DeathListener() {
 		super(EnumSet.allOf(FightState.class));