pgsql: rename "gss_accept_deleg" to "gss_accept_delegation".

rename "gss_accept_deleg" to "gss_accept_delegation".

This is more consistent with existing GUC spelling.

Discussion: https://postgr.es/m/ZGdnEsGtNj7+fZoa@momjian.us

Branch
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master

Details
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https://git.postgresql.org/pg/commitdiff/9c0a0e2ed92a1a94ec30d36f8ea1ab12c928292b

Modified Files
--------------
contrib/dblink/dblink.c                     | 4 ++--
contrib/postgres_fdw/connection.c           | 4 ++--
doc/src/sgml/config.sgml                    | 6 +++---
doc/src/sgml/release-16.sgml                | 2 +-
src/backend/libpq/auth.c                    | 4 ++--
src/backend/libpq/be-secure-gssapi.c        | 4 ++--
src/backend/utils/activity/backend_status.c | 2 +-
src/backend/utils/adt/pgstatfuncs.c         | 2 +-
src/backend/utils/init/postinit.c           | 4 ++--
src/backend/utils/misc/guc_tables.c         | 4 ++--
src/include/libpq/auth.h                    | 2 +-
src/include/libpq/libpq-be.h                | 2 +-
src/include/utils/backend_status.h          | 2 +-
13 files changed, 21 insertions(+), 21 deletions(-)