Set only one charge for 54741 mage spell

Signed-off-by: DiSlord <dislord@nomail.com>

--HG--
branch : trunk

src/game/SpellAuras.cpp

@@ -1112,6 +1112,7 @@ void Aura::HandleAddModifier(bool apply, bool Real)
             case 34754:    // Clearcasting
             case 34936:    // Backlash
             case 48108:    // Hot Streak
+            case 54741:    // Firestarter
             case 57761:    // Fireball!
                 SetAuraCharges(1);
                 break;