fixed error in mail_backup -> all mail-backups would have been deleted with...

root

2015-11-21 2bc9e1279176d05a78349dc0e6bff83ba4719fae

1
ALTER TABLE `client` ADD `customer_no` VARCHAR( 64 ) NULL AFTER `contact_name` , ADD `vat_id` VARCHAR( 64 ) NULL AFTER `customer_no`;