Undo change of name field length.

install/sql/ispconfig3.sql

@@ -202,7 +202,7 @@ CREATE TABLE `dns_rr` (
   `sys_perm_other` varchar(5) NOT NULL,
   `server_id` int(11) NOT NULL default '1',
   `zone` int(11) unsigned NOT NULL,
-  `name` varchar(255) 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(255) NOT NULL,
   `aux` int(11) unsigned NOT NULL default '0',