[Plugin: Image Pro – Image resizing and media management done right] I got an error, when I tried to

Hi,
When I tried to active the plugin, I got the following error:

PHP Fatal error: Call-time pass-by-reference has been removed in C:\inetpub\wwwroot\wordpress\wp-content\plugins\image-pro-wordpress-image-media-management-and-resizing-done-right\src\paths\default.php on line 140

I am using WordPress 3.4.1, IIS 7, MySQL 5.5 , and PHP 5.4.4, and Firefox.

Can you help me?

http://wordpress.org/extend/plugins/image-pro-wordpress-image-media-management-and-resizing-done-right/