Fix makeups_to_do bug

lacagette_addons/lacagette_membership/models/shift_counter_event.py

@@ -172,7 +172,7 @@ class ShiftCounterEvent(models.Model):
                     if target_status is not None:
                         vals_for_update = {'working_state': target_status, 'cooperative_state': target_status}
                         if vals['point_qty'] < 0:
-                            vals_for_update['makeups_to_do'] = partner.makeups_to_do + abs(vals['point_qty'])
+                            vals_for_update['makeups_to_do'] = partner.makeups_to_do + 1
                         partner.update(vals_for_update)
                         if target_status == 'unsubscribed':
                            self.unsubscribe_partner(partner, unsubscribe_limit, points_after_computation)