pgsql: Fix typos in code and comments

Fix typos in code and comments

Author: Justin Pryzby
Discussion: /messages/by-id/20230110045722.GD9837@telsasoft.com

Branch
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master

Details
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https://git.postgresql.org/pg/commitdiff/5f6401f81cb24bd3930e0dc589fc4aa8b5424cdc

Modified Files
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doc/src/sgml/ref/alter_database.sgml | 6 +++---
doc/src/sgml/ref/alter_role.sgml | 6 +++---
doc/src/sgml/ref/psql-ref.sgml | 4 ++--
doc/src/sgml/system-views.sgml | 2 +-
src/backend/access/transam/xlogrecovery.c | 2 +-
src/backend/utils/mmgr/mcxt.c | 8 ++++----
src/bin/psql/common.c | 2 +-
.../test_pg_db_role_setting/expected/test_pg_db_role_setting.out | 2 +-
.../test_pg_db_role_setting/sql/test_pg_db_role_setting.sql | 2 +-
9 files changed, 17 insertions(+), 17 deletions(-)