remove extra space from dumped ALTER DEFAULT PRIVILEGES commands

When Who What
2022-12-12 18:05:50 Jeff Davis (jdavis) Closed in commitfest 2023-01 with status: Committed
2022-12-12 18:05:50 Jeff Davis (jdavis) Changed committer to jdavis
2022-12-06 23:32:38 Nathan Bossart (bossartn) Changed authors to Nathan Bossart (bossartn)
2022-12-06 23:32:38 Nathan Bossart (bossartn) Changed targetversion to 16
2022-12-06 23:32:31 Nathan Bossart (bossartn) Attached mail thread 20221206232744.GA3560301@nathanxps13
2022-12-06 23:32:31 Nathan Bossart (bossartn) Created patch record