pgsql: Refactor some error messages for easier translation

Refactor some error messages for easier translation

Branch
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master

Details
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https://git.postgresql.org/pg/commitdiff/ec6e70c79fffe9292402ee602d3742a8c7d31bd2

Modified Files
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src/backend/access/common/toast_compression.c | 2 +-
src/backend/parser/parse_coerce.c | 12 ++++++------
src/backend/utils/adt/pg_locale.c | 2 +-
src/backend/utils/adt/xml.c | 2 +-
4 files changed, 9 insertions(+), 9 deletions(-)