Corrected gargoyle damage calculation

--HG--
branch : trunk

src/game/SpellEffects.cpp

@@ -420,6 +420,13 @@ void Spell::SpellDamageSchoolDmg(uint32 effect_idx)
                         damage = unitTarget->GetMaxHealth() / 10;
                         break;
                     }
+                    // Gargoyle Strike
+                    case 51963:
+                    { 
+                        // about +4 base spell dmg per level
+                        damage = (m_caster->getLevel() - 60) * 4 + 60;
+                        break;
+                    }
                 }
                 break;
             }