fixed myDns database bug

http://www.howtoforge.com/forums/showthread.php?t=32237

Author: redray

install/sql/ispconfig3.sql

@@ -161,7 +161,7 @@ CREATE TABLE `dns_rr` (
   `zone` int(11) unsigned NOT NULL,
   `name` varchar(64) NOT NULL,
   `type` enum('A','AAAA','ALIAS','CNAME','HINFO','MX','NAPTR','NS','PTR','RP','SRV','TXT') default NULL,
-  `data` varchar(128) NOT NULL,
+  `data` varchar(255) NOT NULL,
   `aux` int(11) unsigned NOT NULL default '0',
   `ttl` int(11) unsigned NOT NULL default '86400',
   `active` enum('N','Y') NOT NULL default 'Y',