DB: Add a missing action_param to the previous commit

Gobs always requires respawn time with the action 41, otherwise they will never respawn

sql/updates/world/3.3.5/2018_02_13_02_world.sql

@@ -0,0 +1,2 @@
+-- 
+UPDATE `smart_scripts` SET `action_param1`=180 WHERE `source_type`=9 AND `entryorguid`=2878000 AND `id` IN (7);