Add missing (COSTS OFF) to EXPLAIN added in previous commit.

Andres Freund <andres@anarazel.de>

Commit: f63d9e68d4132a4608e9f50782aaacbe5ed6f57a
Author: Andres Freund <andres@anarazel.de>
Date: 2019-07-25T21:52:36Z
Releases: 13.0
Add missing (COSTS OFF) to EXPLAIN added in previous commit.

Backpatch: 12-, like the previous commit

Files