Rogue: Fix buff ID for Instant Poison applied by combat rogues.

diff --git a/scripts/ovale_rogue_spells.lua b/scripts/ovale_rogue_spells.lua
index 665553b..343b626 100644
--- a/scripts/ovale_rogue_spells.lua
+++ b/scripts/ovale_rogue_spells.lua
@@ -138,7 +138,7 @@ Define(honor_among_thieves_cooldown_buff 51699)
 Define(improved_slice_and_dice 157513)
 Define(instant_poison 157584)
 	SpellAddBuff(instant_poison instant_poison_buff=1)
-Define(instant_poison_buff 2823)
+Define(instant_poison_buff 157584)
 	SpellInfo(instant_poison_buff duration=3600)
 Define(internal_bleeding 154904)
 Define(internal_bleeding_debuff 154953)