changed sql-queries for dkim to new syntax

Florian Schaal

2014-03-05 6c57e7f4983013c8535ca01e4fc698ea6e8ae2a6

 install/sql/incremental/upd_0050.sql

New file
@@ -0,0 +1,2 @@
ALTER TABLE `dns_slave` DROP INDEX `origin`;
ALTER TABLE `dns_slave` ADD CONSTRAINT `slave` UNIQUE (`origin`,`server_id`);