use apps.sock as fastcgi_pass if the socket exists

server/plugins-available/apps_vhost_plugin.inc.php

@@ -192,6 +192,7 @@ class apps_vhost_plugin {
 			$content = str_replace('{fpm_socket}', $fpm_socket, $content);
 			$content = str_replace('{cgi_socket}', $cgi_socket, $content);
 			if(	file_exists('/var/run/php5-fpm.sock')
+                                || file_exists('/var/lib/php5-fpm/apps.sock')
 				|| file_exists('/var/run/php/php7.0-fpm.sock')
 				|| file_exists('/var/run/php/php7.1-fpm.sock')
 				|| file_exists('/var/run/php/php7.2-fpm.sock')