Fix Beacon of Light: make it work when casted on other players (no initial aggro on caster)

Fix by Liberate

--HG--
branch : trunk

src/game/SpellMgr.cpp

@@ -3843,6 +3843,9 @@ void SpellMgr::LoadSpellCustomAttr()
             spellInfo->MaxAffectedTargets = 3;
             count++;
             break;
+        case 53651:
+            spellInfo->AttributesEx3 |= SPELL_ATTR_EX3_NO_INITIAL_AGGRO;
+            break;
         default:
             break;
         }