*Allow auras SPELL_AURA_MECHANIC_DURATION_MOD and similar to use effect mechanics to check which spell can be moded.

*Note: prev commit was about freezing arrow:)

--HG--
branch : trunk

src/game/SpellEffects.cpp

@@ -2135,7 +2135,7 @@ void Spell::EffectTriggerSpell(uint32 i)
     }
 
     // Remove spell cooldown (not category) if spell triggering spell with cooldown and same category
-    // Needed by freezing trap and few other spells
+    // Needed by freezing arrow and few other spells
     if (m_caster->GetTypeId() == TYPEID_PLAYER && m_spellInfo->CategoryRecoveryTime && spellInfo->CategoryRecoveryTime
         && m_spellInfo->Category == spellInfo->Category)
         ((Player*)m_caster)->RemoveSpellCooldown(spellInfo->Id);
@@ -2179,7 +2179,7 @@ void Spell::EffectTriggerMissileSpell(uint32 effect_idx)
         DEBUG_LOG("WORLD: cast Item spellId - %i", spellInfo->Id);
 
     // Remove spell cooldown (not category) if spell triggering spell with cooldown and same category
-    // Needed by freezing trap and few other spells
+    // Needed by freezing arrow and few other spells
     if (m_caster->GetTypeId() == TYPEID_PLAYER && m_spellInfo->CategoryRecoveryTime && spellInfo->CategoryRecoveryTime
         && m_spellInfo->Category == spellInfo->Category)
         ((Player*)m_caster)->RemoveSpellCooldown(spellInfo->Id);