Cosmetic cleanup for commit a760893dbda9934e287789d54bbd3c4ca3914ce0.

Tom Lane <tgl@sss.pgh.pa.us>

Commit: 9789c99d01e7e4460b77c29b77d177f86c45a273
Author: Tom Lane <tgl@sss.pgh.pa.us>
Date: 2012-02-21T19:14:16Z
Releases: 9.2.0
Cosmetic cleanup for commit a760893dbda9934e287789d54bbd3c4ca3914ce0.

Mostly, fixing overlooked comments.

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