Fix RETURNING d_next_o_id in NEWORD

[sm-shaw]

Fix for consistency check 2 fails in PostgreSQL because all values are out by 1 e.g.

Vuser 1:resArray(0,d_id) = 1
Vuser 1:resArray(0,d_w_id) = 6
Vuser 1:resArray(0,order_max) = 22816
Vuser 1:resArray(0,order_next) = 22815
Vuser 1:resArray(1,d_id) = 1
Vuser 1:resArray(1,d_w_id) = 7
Vuser 1:resArray(1,order_max) = 22892
Vuser 1:resArray(1,order_next) = 22891
Vuser 1:resArray(10,d_id) = 6
Vuser 1:resArray(10,d_w_id) = 6
Vuser 1:resArray(10,order_max) = 22637
Vuser 1:resArray(10,order_next) = 22636
...

[abondvt89]

Merging after reviews and approval of the three members of the code maintenance team.