Обсуждение: pgsql: Fix C99isms introduced when backpatching atomics / spinlock test

Fix C99isms introduced when backpatching atomics / spinlock tests.

Branch
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REL9_6_STABLE

Details
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https://git.postgresql.org/pg/commitdiff/86593365ce40b20f99c0575e79f47da92afe46d7

Modified Files
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src/test/regress/regress.c | 13 ++++++++-----
1 file changed, 8 insertions(+), 5 deletions(-)