pgsql: Fix incorrect format placeholders

Fix incorrect format placeholders

Branch
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master

Details
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https://git.postgresql.org/pg/commitdiff/58fbfde152b28ca119fef4168550a1a4fef61560

Modified Files
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src/backend/storage/buffer/bufmgr.c | 2 +-
src/backend/storage/buffer/localbuf.c | 2 +-
src/backend/utils/adt/pgstatfuncs.c | 2 +-
3 files changed, 3 insertions(+), 3 deletions(-)