redmine配置错误

配置文件：
<Location /svn>
  Order Deny,Allow
  Deny from all
  DAV svn
  SVNListParentPath on
  SVNParentPath /data/svnrepo
  AuthzSVNAccessFile /data/svnrepo/authz


  AuthMySQLEnable On
  AuthMySQLHost 172.16.12.49
  AuthMySQLUser redmine
  AuthMySQLPassword redmine
  AuthMySQLDB redmine
  AuthMySQLUserTable "users"
  AuthMySQLNameField login
  AuthMySQLPasswordField hashed_password
  AuthMySQLPwEncryption sha1
  AuthMySQLUserCondition "users.`status` = 1"


  Require valid-user
</Location>


报错：
[root@kvm conf.d]# /etc/init.d/httpd restart       
Stopping httpd:                                            [FAILED]
Starting httpd: Syntax error on line 49 of /etc/httpd/conf.d/subversion.conf:
Invalid command 'AuthMySQLEnable', perhaps misspelled or defined by a module not included in the server configuration
                                                           [FAILED]



解决方法：
[root@kvm conf.d]# yum install -y mod_auth_mysql.x86_64