pgsql: Fix inconsistencies and typos in the tree

Fix inconsistencies and typos in the tree

This is numbered take 7, and addresses a set of issues with code
comments, variable names and unreferenced variables.

Author: Alexander Lakhin
Discussion: https://postgr.es/m/dff75442-2468-f74f-568c-6006e141062f@gmail.com

Branch
------
master

Details
-------
https://git.postgresql.org/pg/commitdiff/23bccc823d434d9dcf3c12622fe260d9235baae2

Modified Files
--------------
contrib/jsonb_plperl/jsonb_plperlu--1.0.sql | 2 +-
contrib/pgcrypto/pgp-compress.c | 2 +-
doc/src/sgml/problems.sgml | 2 +-
src/backend/access/common/reloptions.c | 2 +-
src/backend/access/gin/gindatapage.c | 2 +-
src/backend/access/gist/gistget.c | 2 +-
src/backend/access/gist/gistutil.c | 2 +-
src/backend/access/hash/hashovfl.c | 2 +-
src/backend/access/hash/hashpage.c | 2 +-
src/backend/access/heap/heapam.c | 2 +-
src/backend/access/heap/pruneheap.c | 2 +-
src/backend/access/index/genam.c | 4 ++--
src/backend/access/spgist/spgscan.c | 2 +-
src/backend/access/transam/clog.c | 2 +-
src/backend/access/transam/xlog.c | 2 +-
src/backend/commands/trigger.c | 2 +-
src/backend/executor/nodeAgg.c | 4 ++--
src/backend/executor/spi.c | 2 +-
src/backend/partitioning/partbounds.c | 2 +-
src/backend/port/win32_sema.c | 1 -
src/backend/storage/ipc/procarray.c | 2 +-
src/backend/utils/adt/datetime.c | 2 +-
src/backend/utils/adt/jsonb_util.c | 2 +-
src/backend/utils/adt/oid.c | 2 +-
src/backend/utils/adt/tsvector_op.c | 2 +-
src/backend/utils/fmgr/fmgr.c | 2 +-
src/backend/utils/time/snapmgr.c | 2 +-
src/common/md5.c | 2 +-
src/include/access/ginblock.h | 3 ---
src/include/access/ginxlog.h | 2 +-
src/include/access/heapam_xlog.h | 8 ++++----
src/include/access/spgist_private.h | 2 +-
src/include/access/xact.h | 4 ++--
src/include/executor/nodeAgg.h | 2 +-
src/include/mb/pg_wchar.h | 2 +-
src/include/pg_config.h.win32 | 12 ------------
src/include/utils/formatting.h | 2 +-
src/include/utils/jsonb.h | 2 +-
src/include/utils/relcache.h | 2 +-
src/interfaces/ecpg/ecpglib/execute.c | 4 ++--
src/interfaces/ecpg/pgtypeslib/timestamp.c | 4 ++--
src/pl/plpgsql/src/pl_gram.y | 2 +-
src/pl/tcl/pltcl.c | 2 +-
src/test/recovery/t/011_crash_recovery.pl | 2 +-
44 files changed, 49 insertions(+), 65 deletions(-)