pgsql: Remove extraneous PGDLLIMPORT - Mailing list pgsql-committers

Remove extraneous PGDLLIMPORT

Oversight from commit 3c6e8c123896. Should be harmless, so no
backpatch.

Reported-by: Zsolt Parragi <zsolt.parragi@percona.com>
Discussion: https://postgr.es/m/CAN4CZFM8jmh4+1rUR2c++JWK9sV85T8_mqmwHMvM0YWkTm4_dQ@mail.gmail.com

Branch
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master

Details
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https://git.postgresql.org/pg/commitdiff/ec5981c3816e46a5d38d2834e406257bb5563429

Modified Files
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src/include/port/pg_crc32c.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)