Fix typos in sql file:

    s/pg_dbms_stats/pg_hint_plan/

This has been originally committed as of 0c11f78, missing the
back-branches.

Backpatch-through: 12

pg_hint_plan--1.3.0--1.3.1.sql

@@ -1,7 +1,7 @@
 /* pg_hint_plan/pg_hint_plan--1.3.0--1.3.1.sql */
 
 -- complain if script is sourced in psql, rather than via ALTER EXTENSION
-\echo Use "ALTER EXTENSION pg_dbms_stats UPDATE TO '1.3.1'" to load this file. \quit
+\echo Use "ALTER EXTENSION pg_hint_plan UPDATE TO '1.3.1'" to load this file. \quit
 
 SELECT pg_catalog.pg_extension_config_dump('hint_plan.hints','');
 SELECT pg_catalog.pg_extension_config_dump('hint_plan.hints_id_seq','');

pg_hint_plan--1.3.1--1.3.2.sql

@@ -1,7 +1,7 @@
 /* pg_hint_plan/pg_hint_plan--1.3.1--1.3.2.sql */
 
 -- complain if script is sourced in psql, rather than via ALTER EXTENSION
-\echo Use "ALTER EXTENSION pg_dbms_stats UPDATE TO '1.3.2'" to load this file. \quit
+\echo Use "ALTER EXTENSION pg_hint_plan UPDATE TO '1.3.2'" to load this file. \quit
 
 SELECT pg_catalog.pg_extension_config_dump('hint_plan.hints','');
 SELECT pg_catalog.pg_extension_config_dump('hint_plan.hints_id_seq','');

pg_hint_plan--1.3.2--1.3.3.sql

@@ -1,7 +1,7 @@
 /* pg_hint_plan/pg_hint_plan--1.3.2--1.3.3.sql */
 
 -- complain if script is sourced in psql, rather than via ALTER EXTENSION
-\echo Use "ALTER EXTENSION pg_dbms_stats UPDATE TO '1.3.3'" to load this file. \quit
+\echo Use "ALTER EXTENSION pg_hint_plan UPDATE TO '1.3.3'" to load this file. \quit
 
 SELECT pg_catalog.pg_extension_config_dump('hint_plan.hints','');
 SELECT pg_catalog.pg_extension_config_dump('hint_plan.hints_id_seq','');

pg_hint_plan--1.3.3--1.3.4.sql

@@ -1,7 +1,7 @@
 /* pg_hint_plan/pg_hint_plan--1.3.3--1.3.4.sql */
 
 -- complain if script is sourced in psql, rather than via ALTER EXTENSION
-\echo Use "ALTER EXTENSION pg_dbms_stats UPDATE TO '1.3.4'" to load this file. \quit
+\echo Use "ALTER EXTENSION pg_hint_plan UPDATE TO '1.3.4'" to load this file. \quit
 
 SELECT pg_catalog.pg_extension_config_dump('hint_plan.hints','');
 SELECT pg_catalog.pg_extension_config_dump('hint_plan.hints_id_seq','');

pg_hint_plan--1.3.4--1.3.5.sql

@@ -1,7 +1,7 @@
 /* pg_hint_plan/pg_hint_plan--1.3.4--1.3.5.sql */
 
 -- complain if script is sourced in psql, rather than via ALTER EXTENSION
-\echo Use "ALTER EXTENSION pg_dbms_stats UPDATE TO '1.3.5'" to load this file. \quit
+\echo Use "ALTER EXTENSION pg_hint_plan UPDATE TO '1.3.5'" to load this file. \quit
 
 SELECT pg_catalog.pg_extension_config_dump('hint_plan.hints','');
 SELECT pg_catalog.pg_extension_config_dump('hint_plan.hints_id_seq','');

pg_hint_plan--1.3.5--1.3.6.sql

@@ -1,7 +1,7 @@
 /* pg_hint_plan/pg_hint_plan--1.3.5--1.3.6.sql */
 
 -- complain if script is sourced in psql, rather than via ALTER EXTENSION
-\echo Use "ALTER EXTENSION pg_dbms_stats UPDATE TO '1.3.6'" to load this file. \quit
+\echo Use "ALTER EXTENSION pg_hint_plan UPDATE TO '1.3.6'" to load this file. \quit
 
 SELECT pg_catalog.pg_extension_config_dump('hint_plan.hints','');
 SELECT pg_catalog.pg_extension_config_dump('hint_plan.hints_id_seq','');

pg_hint_plan--1.3.6--1.3.7.sql

@@ -1,7 +1,7 @@
 /* pg_hint_plan/pg_hint_plan--1.3.6--1.3.7.sql */
 
 -- complain if script is sourced in psql, rather than via ALTER EXTENSION
-\echo Use "ALTER EXTENSION pg_dbms_stats UPDATE TO '1.3.7'" to load this file. \quit
+\echo Use "ALTER EXTENSION pg_hint_plan UPDATE TO '1.3.7'" to load this file. \quit
 
 SELECT pg_catalog.pg_extension_config_dump('hint_plan.hints','');
 SELECT pg_catalog.pg_extension_config_dump('hint_plan.hints_id_seq','');

pg_hint_plan--1.3.7--1.3.8.sql

@@ -1,7 +1,7 @@
 /* pg_hint_plan/pg_hint_plan--1.3.7--1.3.8.sql */
 
 -- complain if script is sourced in psql, rather than via ALTER EXTENSION
-\echo Use "ALTER EXTENSION pg_dbms_stats UPDATE TO '1.3.8'" to load this file. \quit
+\echo Use "ALTER EXTENSION pg_hint_plan UPDATE TO '1.3.8'" to load this file. \quit
 
 SELECT pg_catalog.pg_extension_config_dump('hint_plan.hints','');
 SELECT pg_catalog.pg_extension_config_dump('hint_plan.hints_id_seq','');

pg_hint_plan--1.3.8--1.3.9.sql

@@ -1,7 +1,7 @@
 /* pg_hint_plan/pg_hint_plan--1.3.8--1.3.9.sql */
 
 -- complain if script is sourced in psql, rather than via ALTER EXTENSION
-\echo Use "ALTER EXTENSION pg_dbms_stats UPDATE TO '1.3.9'" to load this file. \quit
+\echo Use "ALTER EXTENSION pg_hint_plan UPDATE TO '1.3.9'" to load this file. \quit
 
 SELECT pg_catalog.pg_extension_config_dump('hint_plan.hints','');
 SELECT pg_catalog.pg_extension_config_dump('hint_plan.hints_id_seq','');