[Mangos-0.12] fix freez caused wrong typo (Backporting)

[mns]

based on commit : [fc1c10be8d6ac263fa4c877ea568f31d7c31a220] [7119]

diff --git a/src/game/SpellEffects.cpp b/src/game/SpellEffects.cpp
index bd45e9a..0890ce5 100644
--- a/src/game/SpellEffects.cpp
+++ b/src/game/SpellEffects.cpp
@@ -486,7 +486,7 @@ void Spell::EffectSchoolDMG(SpellEffectIndex effect_idx)
                        Aura *poison = 0;
                        // Lookup for Deadly poison (only attacker applied)
                        Unit::AuraList const& auras = unitTarget->GetAurasByType(SPELL_AURA_PERIODIC_DAMAGE);
-                        for(Unit::AuraList::const_iterator itr = auras.begin(); itr!=auras.end() && combo;)
+                        for(Unit::AuraList::const_iterator itr = auras.begin(); itr!=auras.end(); ++itr)
                        {
                            // Deadly poison (only attacker applied)
                            if( (*itr)->GetSpellProto()->SpellFamilyName==SPELLFAMILY_ROGUE && ((*itr)->GetSpellProto()->SpellFamilyFlags & UI64LIT(0x10000)) &&

[VladimirMangos]

Thanks for important backport finding In repo.