[Plugin: WP Mail SMTP] Fatal error in Version: 0.8.6

i just updated to the lastest verion, i got this error when i visited the Settings page:

Fatal error: Cannot redeclare wp_mail_plugin_action_links() (previously declared in ***\public_html\wp-content\plugins\wp-mail-smtp\wp_mail_smtp.php:427) in C:\htdocs\lalegua\public_html\wp-content\plugins\wp-mail-smtp\wp_mail_smtp.php on line 436

http://ww.wp.xz.cn/extend/plugins/wp-mail-smtp/