Fix remaining references to gss_accept_deleg.

These were missed in 9c0a0e2ed9.

Discussion: https://postgr.es/m/20230521031757.GA3835667%40nathanxps13

doc/src/sgml/config.sgml

@@ -1190,7 +1190,7 @@ include_dir 'conf.d'
       </listitem>
      </varlistentry>
 
-     <varlistentry id="guc-gss-accept-deleg" xreflabel="gss_accept_delegation">
+     <varlistentry id="guc-gss-accept-delegation" xreflabel="gss_accept_delegation">
       <term><varname>gss_accept_delegation</varname> (<type>boolean</type>)
       <indexterm>
        <primary><varname>gss_accept_delegation</varname> configuration parameter</primary>

src/backend/utils/misc/postgresql.conf.sample

@@ -101,7 +101,7 @@
 # GSSAPI using Kerberos
 #krb_server_keyfile = 'FILE:${sysconfdir}/krb5.keytab'
 #krb_caseins_users = off
-#gss_accept_deleg = off
+#gss_accept_delegation = off
 
 # - SSL -
 

src/test/kerberos/t/001_auth.pl

@@ -496,7 +496,7 @@ test_access(
 	"connection authorized: user=$username database=$dbname application_name=$application GSS (authenticated=yes, encrypted=yes, deleg_credentials=no, principal=test1\@$realm)"
 );
 
-$node->append_conf('postgresql.conf', qq{gss_accept_deleg=off});
+$node->append_conf('postgresql.conf', qq{gss_accept_delegation=off});
 $node->restart;
 
 test_access(
@@ -520,7 +520,7 @@ test_access(
 	"connection authorized: user=$username database=$dbname application_name=$application GSS (authenticated=yes, encrypted=yes, deleg_credentials=no, principal=test1\@$realm)"
 );
 
-$node->append_conf('postgresql.conf', qq{gss_accept_deleg=on});
+$node->append_conf('postgresql.conf', qq{gss_accept_delegation=on});
 $node->restart;
 
 test_access(