add Enabled to Storage

db/zm_update-1.35.1.sql

@@ -0,0 +1,12 @@
+
+SET @s = (SELECT IF(
+    (SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS WHERE table_schema = DATABASE()
+     AND table_name = 'Storage'
+     AND column_name = 'Enabled'
+    ) > 0,
+"SELECT 'Column Enabled already exists in Storage'",
+"ALTER TABLE `Storage` ADD `Enabled` BOOLEAN NOT NULL default true AFTER `DoDelete`"
+));
+
+PREPARE stmt FROM @s;
+EXECUTE stmt;