add EOF to sql schema migrations

Author: charlesweng

engine/schema/src/main/resources/META-INF/db/schema-480to481.sql

@@ -21,4 +21,4 @@
 
 -- Add description
 alter table `cloud`.`vpc_gateways` add column `description` varchar(255) default '';
-alter table `cloud`.`networks` add column `description` varchar(255) default '';
+alter table `cloud`.`networks` add column `description` varchar(255) default '';