optimized slot for siege engines

src/engine/powers/poweractions/FearPowerAction.java

@@ -59,7 +59,7 @@ public class FearPowerAction extends AbstractPowerAction {
         int duration = 10 + ((int) (trains * 0.5));
         String stackType = ab.getStackType();
         EndFearJob efj = new EndFearJob(source, awo, stackType, trains, ab, pb, null);
-        ((Mob) awo).setFearedObject(source);
+        ((Mob) awo).fearedObject = source;
         JobScheduler.getInstance().scheduleJob(efj, duration * 1000);
     }