*Allow SPELL_EFFECT_POWER_BURN(64) to proc with damage.

--HG--
branch : trunk

src/server/game/Entities/Unit/Unit.cpp

@@ -1514,7 +1514,7 @@ void Unit::DealMeleeDamage(CalcDamageInfo *damageInfo, bool durabilityLoss)
             data << uint64(GetGUID());
             data << uint32(i_spellProto->Id);
             data << uint32(damage);                  // Damage
-            int32 overkill = damage - GetHealth();
+            int32 overkill = int32(damage) - int32(GetHealth());
             data << uint32(overkill > 0 ? overkill : 0); // Overkill
             data << uint32(i_spellProto->SchoolMask);
             pVictim->SendMessageToSet(&data, true);

src/server/game/Spells/SpellEffects.cpp

@@ -2425,8 +2425,7 @@ void Spell::EffectPowerBurn(SpellEffIndex effIndex)
 
     ExecuteLogEffectTakeTargetPower(effIndex, unitTarget, powerType, newDamage, dmgMultiplier);
 
-    if (m_originalCaster)
-        m_originalCaster->DealDamage(unitTarget, newDamage);
+    m_damage += newDamage;
 }
 
 void Spell::EffectHeal(SpellEffIndex /*effIndex*/)