pgsql: Formatting and punctuation improvements in sample configuration

Formatting and punctuation improvements in sample configuration files

Branch
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master

Details
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https://git.postgresql.org/pg/commitdiff/9700b250c5b84a083261add9f6e3507c9c72e076

Modified Files
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contrib/basic_archive/basic_archive.conf      | 4 ++--
src/backend/utils/misc/postgresql.conf.sample | 8 ++++----
2 files changed, 6 insertions(+), 6 deletions(-)