MDL-46696 backup: Handle older backups not containing grade history
commitf1272bbecd703e9c6f7ae7eb0435cb89d440e2c3
authorFrederic Massart <fred@moodle.com>
Tue, 9 Sep 2014 02:21:16 +0000 (9 10:21 +0800)
committerFrederic Massart <fred@moodle.com>
Tue, 9 Sep 2014 02:23:11 +0000 (9 10:23 +0800)
tree80f92dfc97d9800e37dda71116ebaf2301dfd6e4
parenteb80a145c8229f8d8b4dc4010d44cdef263afb44
MDL-46696 backup: Handle older backups not containing grade history
backup/moodle2/restore_stepslib.php