Add hypergrid teleporting support to user profiles picks

OpenSim/Data/MySQL/Resources/UserProfiles.migrations

@@ -90,4 +90,9 @@ CREATE TABLE IF NOT EXISTS `usersettings` (
   `email` varchar(254) NOT NULL,
   PRIMARY KEY (`useruuid`)
 ) ENGINE=MyISAM DEFAULT CHARSET=latin1;
-commit;
+commit;
+
+:VERSION 4         # -------------------------------
+begin;
+ALTER TABLE userpicks ADD COLUMN gatekeeper varchar(255);
+commit;