You can get the latest version from GitHub which seems to correct this problem: https://github.com/Mvied/wordpress-https
Note that there’s a linked repo in the plugin that you’ll need to download also. If you’re not familiar with GitHub and trust downloads from strangers on the internet (like me) you could give this a try: http://cl.ly/1W2y3K1P0Q3H
Causes an error:
Warning: require_once(/var/www/vhosts/glacierraftco.com/httpdocs/wp-content/plugins/wordpress-https/lib/Mvied/Plugin/Modular.php): failed to open stream: No such file or directory in /var/www/vhosts/glacierraftco.com/httpdocs/wp-content/plugins/wordpress-https/wordpress-https.php on line 42
Fatal error: require_once(): Failed opening required ‘/var/www/vhosts/glacierraftco.com/httpdocs/wp-content/plugins/wordpress-https/lib/Mvied/Plugin/Modular.php’ (include_path=’.:’) in /var/www/vhosts/glacierraftco.com/httpdocs/wp-content/plugins/wordpress-https/wordpress-https.php on line 42