Author: Willy Lee
MDL-41497 auth_db: Added help text for using odbc dsn names instead
http://git.moodle.org/gw?p=moodle.git;a=commit;h=4a3728ee50e4162c53f32b52f1b656b0306de5bc
http://github.com/moodle/moodle/commit/4a3728ee50e4162c53f32b52f1b656b0306de5bc
+ 2.4 en [auth_dbhost,auth_db]
+ 2.4 en [auth_dbname,auth_db]