Add suport for MariaDB 10.4. Compile with default charset utf8.

Example/my.cnf.VERY-HUGE.MariaDB-10.3

@@ -35,6 +35,29 @@ innodb-open-files = 1048576
 port		   = 3306
 socket		= /tmp/mysql.sock
 
+
+## - character-set-server
+## -
+## - The servers default character set. If you set this variable, you should also 
+## - set collation_server to specify the collation for the character set. 
+## -
+## - See also: https://dev.mysql.com/doc/refman/8.0/en/charset-configuration.html
+## -
+## - The default depend on cmake options:
+## - 
+## -    cmake . \
+## -       ...
+## -       -DDEFAULT_CHARSET=latin1 \
+## -       -DDEFAULT_COLLATION=latin1_german1_ci
+## -
+#character-set-server = utf8
+
+## - collation-server
+## -
+## - The server's default collation. See Section 10.14, “Character Set Configuration”. 
+#collation-server = utf8_general_ci
+
+
 ## - sql_mode
 ## -
 ## - Since Version 8.0.11 NO_AUTO_CREATE_USER is no longer available