pgsql: Error message stylistic correction - Mailing list pgsql-committers

Error message stylistic correction

Fixup for commit ef5e60a9d35: The inconsistent use of articles was a
bit awkward.

Branch
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REL_17_STABLE

Details
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https://git.postgresql.org/pg/commitdiff/1e6dfdaa04399a531789660864648919be071686

Modified Files
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src/backend/parser/parse_expr.c                | 2 +-
src/test/regress/expected/collate.icu.utf8.out | 8 ++++----
2 files changed, 5 insertions(+), 5 deletions(-)