pgsql: Replace static buf with palloc in str_time()

Replace static buf with palloc in str_time()

The function is used only once in the startup process, so the leak
into current memory context is harmless.

This is a tiny step in making the server thread-safe.

Reviewed-by: Robert Haas
Discussion: https://www.postgresql.org/message-id/7f86e06a-98c5-4ce3-8ec9-3885c8de0358@iki.fi

Branch
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master

Details
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https://git.postgresql.org/pg/commitdiff/6151cb7876136ad23748f4f724309166bbfad3e0

Modified Files
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src/backend/access/transam/xlog.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)