pgsql: Fix assorted typos

Fix assorted typos

Author: Daniel Gustafsson <daniel@yesql.se>

Branch
------
master

Details
-------
https://git.postgresql.org/pg/commitdiff/087d3d0583cf292146a7385746d1f5b53eeeaee6

Modified Files
--------------
doc/src/sgml/ref/psql-ref.sgml | 4 ++--
src/backend/storage/ipc/procarray.c | 2 +-
src/backend/tcop/postgres.c | 2 +-
src/backend/utils/adt/jsonfuncs.c | 2 +-
src/backend/utils/mb/stringinfo_mb.c | 2 +-
src/bin/pg_dump/pg_dump.c | 2 +-
src/include/access/attmap.h | 2 +-
7 files changed, 8 insertions(+), 8 deletions(-)