change to 256 characters

--HG--
branch : develop

code/web/private_php/setup/sql/nel_ams_lib_00006.sql

@@ -1,7 +1,7 @@
 CREATE TABLE IF NOT EXISTS `settings` (
 `idSettings` int(11) NOT NULL,
   `Setting` varchar(32) COLLATE utf8_unicode_ci NOT NULL,
-  `Value` varchar(32) COLLATE utf8_unicode_ci NOT NULL
+  `Value` varchar(256) COLLATE utf8_unicode_ci NOT NULL
 ) ENGINE=InnoDB AUTO_INCREMENT=2 DEFAULT CHARSET=utf8 COLLATE=utf8_unicode_ci;
 
 INSERT INTO `settings` (`idSettings`, `Setting`, `Value`) VALUES