Removed code line from previous commit

Marius Cramer

2014-02-18 d58816c09edb3d1e2da2251ed4ea3a6657a1a06c

 install/sql/incremental/upd_0052.sql

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