support for el9

on el9 the binary is called mariadbd

Signed-off-by: Sebastian Gumprich <sebastian.gumprich@t-systems.com>

Author: Sebastian Gumprich

controls/mysql_conf.rb

@@ -52,6 +52,7 @@
   mysql_config_file = "#{mysql_config_path}my.cnf"
   mysql_log_group = 'mysql'
   process_name = 'mysqld'
+  process_name = 'mariadbd' if os[:release] >= '9'
   service_name = 'mysqld'
   service_name = 'mariadb' if os[:release] >= '7'
 end