pgsql: bufmgr: Use consistent naming of the clock-sweep algorithm

bufmgr: Use consistent naming of the clock-sweep algorithm

Minor edits to comments only.

Author: Greg Burd <greg@burd.me>
Reviewed-by: Tomas Vondra <tomas@vondra.me>
Reviewed-by: Andres Freund <andres@anarazel.de>
Discussion: https://postgr.es/m/70C6A5B5-2A20-4D0B-BC73-EB09DD62D61C@getmailspring.com

Branch
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master

Details
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https://git.postgresql.org/pg/commitdiff/50e4c6ace5e69fbe69868c270a1c76acd4cb12ec

Modified Files
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src/backend/storage/buffer/README     |  4 ++--
src/backend/storage/buffer/bufmgr.c   |  8 ++++----
src/backend/storage/buffer/freelist.c | 10 +++++-----
src/backend/storage/buffer/localbuf.c |  2 +-
src/include/storage/buf_internals.h   |  4 ++--
5 files changed, 14 insertions(+), 14 deletions(-)