Author: Willy Lee
MDL-41497 enrol_database: Added help text for using odbc dsn names instead
http://git.moodle.org/gw?p=moodle.git;a=commit;h=d991bc77fab2a1df45a0b4ea74fda96bbeecb511
http://github.com/moodle/moodle/commit/d991bc77fab2a1df45a0b4ea74fda96bbeecb511
+ 2.6 en [dbhost_desc,enrol_database]
+ 2.6 en [dbname_desc,enrol_database]