Fix SpaceListener

src/de/steamwar/misslewars/listener/special/SpaceListener.java

@@ -41,7 +41,7 @@ public class SpaceListener extends BasicListener {
     public void onExplosionPrime(ExplosionPrimeEvent event) {
         if (!Config.Space) return;
         Entity entity = event.getEntity();
-        if (!(entity instanceof TNTPrimed)) {
+        if (entity instanceof TNTPrimed) {
             TNTPrimed tnt = (TNTPrimed) entity;
             tnt.setGravity(false);
         }