Minor formatting cleanup for 2a6368343f

Alexander Korotkov <akorotkov@postgresql.org>

Commit: 4ec90f53f10141867d8b86f58d72990a13ff267b
Author: Alexander Korotkov <akorotkov@postgresql.org>
Date: 2018-09-27T20:29:50Z
Releases: 12.0
Minor formatting cleanup for 2a6368343f

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