pgsql: Fix code indentation violations in e83d1b0c40cc

Fix code indentation violations in e83d1b0c40cc

koel has not reported this one yet, I have just bumped on it while
looking at a different patch.

Branch
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master

Details
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https://git.postgresql.org/pg/commitdiff/e9718b4bd3e4234ffd5a4907a903367fc483c843

Modified Files
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src/backend/commands/event_trigger.c | 29 +++++++++++++++--------------
1 file changed, 15 insertions(+), 14 deletions(-)