Update for Changeset 4581, same should be for non-PCs

Index: java/com/l2jserver/gameserver/model/actor/status/CharStatus.java
===================================================================
--- java/com/l2jserver/gameserver/model/actor/status/CharStatus.java    (revision 4580)
+++ java/com/l2jserver/gameserver/model/actor/status/CharStatus.java    (working copy)
@@ -147,16 +147,8 @@
            return;

        // invul handling
-       if (getActiveChar().isInvul())
-       {
-           // other chars can't damage
-           if (attacker != getActiveChar())
-               return;
-
-           // only DOT and HP consumption allowed for damage self
-           if (!isDOT && !isHPConsumption)
-               return;
-       }
+        if (getActiveChar().isInvul() && !(isDOT || isHPConsumption))
+           return;

        if (attacker != null)
        {