debug error

Just in case you don’t know, when i run WordPress in debug mode this plugin generates a warninng :

Deprecated: Methods with the same name as their class will not be constructors in a future version of PHP; Favicon_By_RealFaviconGenerator_Api_Response has a deprecated constructor in /var/www/vhosts/railtown.wildmice.ca/httpdocs/wp-content/plugins/favicon-by-realfavicongenerator/admin/class-favicon-by-realfavicongenerator-api-response.php on line 20

Running WP 4.4 on PHP7

https://wordpress.org/plugins/favicon-by-realfavicongenerator/