Scripts/Icecrown Citadel: Fix "intended" crash

Change an assert (that can happen easily using ".npc add") to a sanity check

1 files changed, 2 insertions, 1 deletions

diff --git a/src/server/scripts/Northrend/IcecrownCitadel/boss_deathbringer_saurfang.cpp b/src/server/scripts/Northrend/IcecrownCitadel/boss_deathbringer_saurfang.cpp
index 229893a5c6b..f12824e99e2 100644
--- a/src/server/scripts/Northrend/IcecrownCitadel/boss_deathbringer_saurfang.cpp
+++ b/src/server/scripts/Northrend/IcecrownCitadel/boss_deathbringer_saurfang.cpp
@@ -1001,7 +1001,8 @@ class npc_saurfang_event : public CreatureScript
 
             void SetData(uint32 type, uint32 data) override
             {
-                ASSERT(!type && data && data < 6);
+                if (!(!type && data && data < 6))
+                    return;
                 _index = data;
             }