Fix ice to cold resistance on some arena boss

git-svn-id: http://svn.net-core.org/repos/t-engine4@4019 51575b47-30f0-44d4-a5cc-537603b46e54

game/modules/tome/data/zones/arena/npcs.lua

@@ -402,7 +402,7 @@ newEntity{ name = "Fryjia Loren",
 	max_life = 75, life_rating = 11,
 	infravision = 10,
 	stats = { str=10, dex=20, cun=10, mag=15, con=10, wil = 15 },
-	resists={[DamageType.FIRE] = -100, [DamageType.ICE] = 60},
+	resists={[DamageType.FIRE] = -100, [DamageType.COLD] = 60},
 
 	instakill_immune = 1,
 	stun_immune = 0.5,
@@ -461,7 +461,7 @@ newEntity{ name = "Riala Shalarak",
 	max_life = 150, life_rating = 30,
 	infravision = 10,
 	stats = { str=15, dex=15, cun=20, mag=30, con=15, wil=15 },
-	resists={[DamageType.FIRE] = 100, [DamageType.ICE] = -20},
+	resists={[DamageType.FIRE] = 100, [DamageType.COLD] = -20},
 
 	instakill_immune = 1,
 	stun_immune = 0.5,