Fix Living Constellation not activating during Algalon encounter.

sql/updates/world/2016_03_15_00_world.sql

@@ -0,0 +1,4 @@
+SET @ENTRY := 62266;
+DELETE FROM `disables` WHERE `sourceType`=0 AND `entry` = @ENTRY;
+INSERT INTO `disables` (`sourceType`, `entry`, `flags`, `params_0`, `params_1`, `comment`) VALUES
+(0,@ENTRY,64,0,0,'Disable LOS for Spell Trigger 3 adds');

src/server/scripts/Northrend/Ulduar/Ulduar/boss_algalon_the_observer.cpp

@@ -1164,6 +1164,7 @@ class spell_algalon_trigger_3_adds : public SpellScriptLoader
             void Register() override
             {
                 OnObjectAreaTargetSelect += SpellObjectAreaTargetSelectFn(spell_algalon_trigger_3_adds_SpellScript::SelectTarget, EFFECT_0, TARGET_UNIT_SRC_AREA_ENTRY);
+                OnEffectHitTarget += SpellEffectFn(spell_algalon_trigger_3_adds_SpellScript::HandleDummy, EFFECT_0, SPELL_EFFECT_DUMMY);
             }
         };