Fix some stray whitespace in parser files

Peter Eisentraut <peter@eisentraut.org>

Commit: 0af302af40669d9bc6de7a202e4723fee39d9376
Author: Peter Eisentraut <peter@eisentraut.org>
Date: 2020-11-11T16:37:18Z
Releases: 14.0
Fix some stray whitespace in parser files

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