- fixed db_SUITE:prop_changed_keys_unset_write_lock/3 (?DB:unset_write_lock/2 deletes empty_val entries!)
- fixed db_SUITE:prop_changed_keys_unset_write_lock/3 (?DB:unset_write_lock/2 deletes empty_val entries!)

l4u/scalaris-mirror,l4u/scalaris-mirror,l4u/scalaris-mirror,l4u/scalaris-mirror,l4u/scalaris-mirror,l4u/scalaris-mirror