pgsql: Fix some typos and some incorrectly duplicated words

Fix some typos and some incorrectly duplicated words

Author: Justin Pryzby
Reviewed-by: David Rowley
Discussion: https://postgr.es/m/ZD3D1QxoccnN8A1V@telsasoft.com

Branch
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master

Details
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https://git.postgresql.org/pg/commitdiff/eef231e8161eb8031a928fe48134ef25ab81fe5e

Modified Files
--------------
contrib/test_decoding/expected/ddl.out                | 2 +-
contrib/test_decoding/sql/ddl.sql                     | 2 +-
doc/src/sgml/user-manag.sgml                          | 2 +-
src/backend/optimizer/path/allpaths.c                 | 2 +-
src/backend/optimizer/util/plancat.c                  | 2 +-
src/backend/replication/pgoutput/pgoutput.c           | 2 +-
src/backend/utils/adt/xid8funcs.c                     | 2 +-
src/bin/pg_amcheck/t/002_nonesuch.pl                  | 2 +-
src/bin/pg_basebackup/bbstreamer.h                    | 2 +-
src/bin/pg_dump/pg_dumpall.c                          | 4 ++--
src/bin/pgbench/pgbench.c                             | 4 ++--
src/include/access/tableam.h                          | 2 +-
src/include/backup/basebackup_target.h                | 2 +-
src/include/replication/output_plugin.h               | 2 +-
src/include/storage/s_lock.h                          | 2 +-
src/test/isolation/specs/serializable-parallel-3.spec | 2 +-
src/test/modules/unsafe_tests/expected/guc_privs.out  | 2 +-
src/test/modules/unsafe_tests/sql/guc_privs.sql       | 2 +-
src/tools/pg_bsd_indent/tests/elsecomment.0           | 2 +-
src/tools/pg_bsd_indent/tests/elsecomment.0.stdout    | 2 +-
20 files changed, 22 insertions(+), 22 deletions(-)