Avoid C99-ism in pre-v12 branches.
Per buildfarm (I need to figure out why my own compiler did not
whine about this).
Branch
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REL_10_STABLE
Details
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https://git.postgresql.org/pg/commitdiff/a00dbfaeed4017bca695a3e77d0f6264ba94a4c1
Modified Files
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src/backend/catalog/indexing.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)