Fix for Mystic Tavern script.

### Eclipse Workspace Patch 1.0
#P L2J_Mobius_6.0_Fafurion
Index: dist/game/data/scripts/instances/MysticTavern/MysticTavern.java
===================================================================
--- dist/game/data/scripts/instances/MysticTavern/MysticTavern.java (revision 7027)
+++ dist/game/data/scripts/instances/MysticTavern/MysticTavern.java (working copy)
@@ -70,6 +70,7 @@
    // Misc
    private static final int MINIMUM_PLAYER_LEVEL = 99;
    private static final int MINIMUM_PARTY_MEMBERS = 5;
+   private static int rndInst = 0;
    private static Npc _lollia;
    private static Npc _hanna;
    private static Npc _brodien;
@@ -158,7 +159,7 @@
                    {
                        return "34200-not-available.html";
                    }
-                   npc.setScriptValue(getRandom(availableInstances.size()));
+                   rndInst = getRandomEntry(availableInstances);
                    startQuestTimer("npcRoute", 3000, npc, player);
                }
                break;
@@ -326,7 +327,7 @@
            }
            case "enter_instance":
            {
-               switch (npc.getScriptValue())
+               switch (rndInst)
                {
                    case INSTANCE_FREYA:
                    {
@@ -344,7 +345,6 @@
                    // break;
                    // }
                }
-               npc.setScriptValue(0);
                break;
            }
        }