Make ResetPeriodic controllable by boolean value, defaults to false

Fix by Moriquendu

--HG--
branch : trunk

src/game/SpellAuraEffects.h

@@ -62,7 +62,7 @@ class AuraEffect
 
         uint32 GetTickNumber() const { return m_tickNumber; }
         int32 GetTotalTicks() const { return m_amplitude ? (GetBase()->GetMaxDuration() / m_amplitude) : 1;}
-        void ResetPeriodic() {m_periodicTimer = m_amplitude; m_tickNumber = 0;}
+        void ResetPeriodic(bool resetPeriodicTimer = false) { if(resetPeriodicTimer) m_periodicTimer = m_amplitude; m_tickNumber = 0;}
 
         bool IsPeriodic() const { return m_isPeriodic; }
         bool IsAffectedOnSpell(SpellEntry const *spell) const;

src/game/Unit.cpp

@@ -7636,7 +7636,7 @@ bool Unit::HandleAuraProc(Unit * /*pVictim*/, uint32 damage, Aura * triggeredByA
                     if (!aurEff)
                         return false;
                     // Reset amplitude - set death rune remove timer to 30s
-                    aurEff->ResetPeriodic();
+                    aurEff->ResetPeriodic(true);
                     uint32 runesLeft;
 
                     if (dummySpell->SpellIconID == 2622)