Calendar 1.0.6 Rebuild Events removes Maybe RSVP's

[Mouth]

After upgrading 1.0.5 -> 1.0.6 users reported that the Going RSVP's count was incorrect, thus in ACP I 'Rebuild Events'. This corrected the Going RSVP count, but has removed all Maybe RSVP's on all events.

mysql> select * from xf_nf_event_response where event_id = 2736;
+-------------+----------+---------+----------+---------------+---------+
| response_id | event_id | user_id | response | response_date | alerted |
+-------------+----------+---------+----------+---------------+---------+
|        3520 |     2736 |   49131 | going    |    1535416973 |       1 |
|        3521 |     2736 |   54296 | going    |    1535418603 |       1 |
|        3523 |     2736 |   65854 | going    |    1535419934 |       1 |
|        3524 |     2736 |   49559 | maybe    |    1535423793 |       1 |
|        3526 |     2736 |   41718 | maybe    |    1535426816 |       1 |
|        3528 |     2736 |   70319 | maybe    |    1535450647 |       1 |
|        3529 |     2736 |   58474 | maybe    |    1535505520 |       1 |
|        3533 |     2736 |   68344 | declined |    1535702129 |       0 |
+-------------+----------+---------+----------+---------------+---------+

mysql> select event_maybe_count from xf_nf_calendar_event where event_id = 2736;
+-------------------+
| event_maybe_count |
+-------------------+
|                 0 |
+-------------------+
1 row in set (0.00 sec)

Cause is a spelling mistake on line 1241 in DataWriter/Event.php