Fix channelled spells when player has lot of haste AND a buff reducing spell duration. Thanks dr.tenma.

Fixes issue #1052.

--HG--
branch : trunk

src/game/Spell.cpp

@@ -3027,11 +3027,13 @@ void Spell::handle_immediate()
         int32 duration = GetSpellDuration(m_spellInfo);
         if (duration)
         {
-            // Apply haste mods
-            m_caster->ModSpellCastTime(m_spellInfo, duration, this);
+            // First mod_duration then haste - see Missile Barrage
             // Apply duration mod
             if (Player* modOwner = m_caster->GetSpellModOwner())
                 modOwner->ApplySpellMod(m_spellInfo->Id, SPELLMOD_DURATION, duration);
+            // Apply haste mods
+            m_caster->ModSpellCastTime(m_spellInfo, duration, this);
+
             m_spellState = SPELL_STATE_CASTING;
             m_caster->AddInterruptMask(m_spellInfo->ChannelInterruptFlags);
             SendChannelStart(duration);

src/game/SpellAuraEffects.cpp

@@ -756,9 +756,13 @@ void AuraEffect::CalculatePeriodic(Unit * caster, bool create)
         return;
 
     Player* modOwner = caster ? caster->GetSpellModOwner() : NULL;
+
     // Apply casting time mods
     if (modOwner && m_amplitude)
     {
+        // Apply periodic time mod
+        modOwner->ApplySpellMod(GetId(), SPELLMOD_ACTIVATION_TIME, m_amplitude);
+
         // For channeled spells
         if (IsChanneledSpell(m_spellProto)) {
             modOwner->ModSpellCastTime(m_spellProto, m_amplitude);
@@ -780,10 +784,6 @@ void AuraEffect::CalculatePeriodic(Unit * caster, bool create)
         }
     }
 
-    // Apply periodic time mod
-    if (modOwner && m_amplitude)
-        modOwner->ApplySpellMod(GetId(), SPELLMOD_ACTIVATION_TIME, m_amplitude);
-
     if (create)
     {
         // Start periodic on next tick or at aura apply