added missing tables to client_delete function - Closes #3712

Marius Burkard

2016-02-04 c795dfd688dd414386ffdeba9fd081a4ba9bdb90

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