[patch] Prevent cast spell Rain of Fire on the move

[Den]

diff --git a/src/game/Spell.cpp b/src/game/Spell.cpp
index a5859af..11112c1 100644
--- a/src/game/Spell.cpp
+++ b/src/game/Spell.cpp
@@ -4516,6 +4516,9 @@ SpellCastResult Spell::CheckCast(bool strict)
             if ((!((Player*)m_caster)->m_movementInfo.HasMovementFlag(MOVEFLAG_FALLINGFAR) || m_spellInfo->Effect[EFFECT_INDEX_0] != SPELL_EFFECT_STUCK) &&
                 (IsAutoRepeat() || (m_spellInfo->AuraInterruptFlags & AURA_INTERRUPT_FLAG_NOT_SEATED) != 0))
                 return SPELL_FAILED_MOVING;
+
+            else if (m_spellInfo->SpellFamilyName == SPELLFAMILY_WARLOCK && m_spellInfo->SpellIconID == 547)
+                return SPELL_FAILED_MOVING;
         }
 
         if (!m_IsTriggeredSpell && NeedsComboPoints(m_spellInfo) && !m_caster->IsIgnoreUnitState(m_spellInfo, IGNORE_UNIT_TARGET_STATE) &&