pgsql: Add a const decoration

Add a const decoration

Useful for a subsequent patch.

Discussion: /messages/by-id/52a125e4-ff9a-95f5-9f61-b87cf447e4da@eisentraut.org

Branch
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master

Details
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https://git.postgresql.org/pg/commitdiff/924d046dcf55887c98a1628675a30f4b0eebe556

Modified Files
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src/backend/parser/parse_type.c | 2 +-
src/include/parser/parse_type.h | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)