correction because of php 5.3

Dominik

2015-01-14 f42d9169cd94b234c13403b3bc635fffe04fb252

 install/sql/incremental/upd_0052.sql

New file
@@ -0,0 +1 @@
ALTER TABLE `client` ADD `default_slave_dnsserver` INT( 11 ) UNSIGNED NOT NULL DEFAULT '1' AFTER `limit_dns_zone`;