[FIX][8470] Kill credit spell working

[OPenaz]

What bug does the patch fix? What features does the patch add?

Alllow works some WotLK kill credit spells (needed for more blizzlike functionality of Troll Patrol quest series)

For which repository revision was the patch created?

8435

Is there a thread in the bug report section or at lighthouse?

I don't think so, because this is not critical for players

Who has been writing this patch?

Me, OPenaz

--- a/src/game/SpellEffects.cpp
+++ b/src/game/SpellEffects.cpp
@@ -148,7 +148,7 @@ pEffect SpellEffects[TOTAL_SPELL_EFFECTS]=
    &Spell::EffectUnused,                                   // 87 SPELL_EFFECT_
    &Spell::EffectUnused,                                   // 88 SPELL_EFFECT_
    &Spell::EffectUnused,                                   // 89 SPELL_EFFECT_
-    &Spell::EffectUnused,                                   // 90 SPELL_EFFECT_
+    &Spell::EffectKillCredit,                               // 90 SPELL_EFFECT_
    &Spell::EffectUnused,                                   // 91 SPELL_EFFECT_
    &Spell::EffectEnchantHeldItem,                          // 92 SPELL_EFFECT_
    &Spell::EffectUnused,                                   // 93 SPELL_EFFECT_

[ApoC]

Applied in [8470]

Thank You