Fixing mariadb-install-db.exe failure on Windows (Illegal mix of collations)

scripts/fill_help_tables.sql

@@ -22,7 +22,7 @@
 
 --     mysql -u root -p mysql < file_name
 
-set names 'utf8';
+SET NAMES utf8mb3 COLLATE utf8mb3_general_ci;
 
 set sql_log_bin = 0;
 

scripts/mariadb_performance_tables.sql

@@ -9,6 +9,8 @@
 -- performance schema engine.
 --
 
+SET NAMES latin1 COLLATE latin1_swedish_ci;
+
 set @have_old_pfs= (select count(*) from information_schema.schemata where schema_name='performance_schema');
 
 SET @cmd="SET @broken_tables = (select count(*) from information_schema.tables  where engine != 'PERFORMANCE_SCHEMA' and table_schema='performance_schema')";

scripts/mariadb_system_tables.sql

@@ -18,6 +18,8 @@
 -- The system tables of MySQL Server
 --
 
+SET NAMES latin1 COLLATE latin1_swedish_ci;
+
 set sql_mode='';
 
 set @orig_storage_engine=@@default_storage_engine;

scripts/mariadb_system_tables_data.sql

@@ -17,6 +17,8 @@
 -- The initial data for system tables of MySQL Server
 --
 
+SET NAMES latin1 COLLATE latin1_swedish_ci;
+
 -- When setting up a "cross bootstrap" database (e.g., creating data on a Unix
 -- host which will later be included in a Windows zip file), any lines
 -- containing "@current_hostname" are filtered out by mysql_install_db.

scripts/mariadb_test_db.sql

@@ -13,6 +13,8 @@
 -- along with this program; if not, write to the Free Software
 -- Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301  USA
 
+SET NAMES latin1 COLLATE latin1_swedish_ci;
+
 CREATE DATABASE IF NOT EXISTS test CHARACTER SET latin1 COLLATE latin1_swedish_ci;
 
 --- Fill "db" table with default grants for anyone to