[COMMITTERS] pgsql: Revert "Fix comments in StrategyNotifyBgWriter()."

Revert "Fix comments in StrategyNotifyBgWriter()."

This reverts commit df9e034f958a5cd092f7f461d7a50156f6d076af, which
tried to fix the comments to reflect the change of API of the function
but actually the change had been made only for 9.5 or later.

Branch
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REL9_3_STABLE

Details
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http://git.postgresql.org/pg/commitdiff/451132415dc4f255b440b1645362cc125025ae5c

Modified Files
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src/backend/storage/buffer/freelist.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)