add optional scaling sql

optional/DamageHealthArmorModifierScaling/naxx40_damage_health_armor_modifier_scaling.sql

@@ -0,0 +1,18 @@
+-- Warning: .ReapplyUpdates = 0 must be disabled (=0) in the .conf
+--          or this will have no effect
+-- Warning: Scaling may have already been applied in the naxx40_creatures.sql
+-- Warning: Only run this once after applying naxx40*sql scripts
+SET @DAMAGE_MULTIPLIER:= 0.80;
+SET @HEALTH_MULTIPLIER:= 1.00;
+SET @ARMOR_MULTIPLIER:=  1.00;
+
+UPDATE `creature_template`
+SET
+    `DamageModifier` = `DamageModifier` * @DAMAGE_MULTIPLIER,
+    `HealthModifier` = `HealthModifier` * @HEALTH_MULTIPLIER,
+    `ArmorModifier`  = `ArmorModifier`  * @ARMOR_MULTIPLIER
+WHERE `entry` IN (
+    SELECT `id1`
+    FROM `creature`
+    WHERE `map` = 533 AND `spawnMask` = 4
+);