Fixed a default value for the parameter $managed_dirs from undef to $mysql::params::managed_dirs.

Updated REFERENCE.md

Author: evgenkisel

REFERENCE.md

@@ -462,7 +462,7 @@ Data type: `Any`
 Manage MySQL system directories which described in the section `[mysqld]` of the configuration file
 `my.cnf`
 
-Default value: `undef`
+Default value: `$mysql::params::managed_dirs`
 
 ##### `options`
 

manifests/server.pp

@@ -88,7 +88,7 @@
                   $remove_default_accounts = false,
                   $restart                 = $mysql::params::restart,
                   $root_group              = $mysql::params::root_group,
-                  $managed_dirs            = undef,
+                  $managed_dirs            = $mysql::params::managed_dirs,
                   $mysql_group             = $mysql::params::mysql_group,
                   $mycnf_owner             = $mysql::params::mycnf_owner,
                   $mycnf_group             = $mysql::params::mycnf_group,