[Plugin: SEO Ultimate] Syntax error ver. 7.5.7

Installing version 7.5.7 produced the following error:

Parse error: syntax error, unexpected T_IF in /home/xxx/public_html/wp-content/plugins/seo-ultimate/modules/author-links/author-links.php on line 1

Deleting the author-links.php file worked as a temporary fix, but that’s not a very good solution. I would imagine that deleting the file will probably break something in the plugin functions.

I also tried increasing the site memory allocation by editing wp-config.php, to no avail.

Assistance would be appreciated!

http://ww.wp.xz.cn/extend/plugins/seo-ultimate/