Author: Leon Stringer
MDL-65847 auth_db: user_update() handle errors
The external database authentication plugin (auth_db) can update the
external database if mapped fields are set to Update external: On
update. This change adds error handling in case this update fails.
http://git.moodle.org/gw?p=moodle.git;a=commit;h=b79b33c664178fdcb4458fdf31b16cdf93fca88f
http://github.com/moodle/moodle/commit/b79b33c664178fdcb4458fdf31b16cdf93fca88f
+ 3.9 en [auth_dbupdateerror,auth_db]