Needs to be modified for php 8

When I use this plugin in php8 I get “Fatal error”

### Nginx Log
2021/02/18 00:35:57 [error] 13752#13752: *888 FastCGI sent in stderr: "PHP message: PHP Fatal error:  
Uncaught TypeError: Unsupported operand types: string + int in /source/wp-content/plugins/bbpress-simple-view-counts/bbpress-simple-view-counts.php:95
Stack trace:
#0 /source/wp-includes/class-wp-hook.php(289): bbpress_simple_view_counts->show_views_topic_page()
#1 /source/wp-includes/plugin.php(212): WP_Hook->apply_filters()
#2 /source/wp-content/plugins/bbpress.new/includes/topics/template.php(3348): apply_filters()
#3 /source/wp-content/plugins/bbpress.new/includes/topics/template.php(3278): bbp_get_single_topic_description()
#4 /source/wp-content/plugins/bbpress.new/templates/default/bbpress/content-single-topic.php(33): bbp_single_topic_description()
#5 /source/wp-includes/template.php(732): require('/source...')
#6 /source/wp-content/plugins/bbpress.new/includes/core/template-functions.php(103): load_template()
#7 /source/wp-conten" while reading response header from upstream, client: 192.168.0.1, 
   server: fedora.h2code.cf, request: "GET /forums/topic/23118 HTTP/2.0", 
   upstream: "fastcgi://unix:/run/php/php-fpm.sock:", host: "site.name"

### PHP-FPM Log
[pool www] child 13731 said into stderr: "NOTICE: sapi_cgi_log_message(), line 611: PHP message: PHP Fatal error:  
Uncaught TypeError: Unsupported operand types: string + int in /source/wp-content/plugins/bbpress-simple-view-counts/bbpress-simple-view-counts.php:95"

[pool www] child 13731 said into stderr: "Stack trace:"
[pool www] child 13731 said into stderr: "#0 /source/wp-includes/class-wp-hook.php(289): bbpress_simple_view_counts->show_views_topic_page()"
[pool www] child 13731 said into stderr: "#1 /source/wp-includes/plugin.php(212): WP_Hook->apply_filters()"
[pool www] child 13731 said into stderr: "#2 /source/wp-content/plugins/bbpress.new/includes/topics/template.php(3348): apply_filters()"
[pool www] child 13731 said into stderr: "#3 /source/wp-content/plugins/bbpress.new/includes/topics/template.php(3278): bbp_get_single_topic_description()"
[pool www] child 13731 said into stderr: "#4 /source/wp-content/plugins/bbpress.new/templates/default/bbpress/content-single-topic.php(33): bbp_single_topic_description()"
[pool www] child 13731 said into stderr: "#5 /source/wp-includes/template.php(732): require('/source...')"
[pool www] child 13731 said into stderr: "#6 /source/wp-content/plugins/bbpress.new/includes/core/template-functions.php(103): load_template()"
[pool www] child 13731 said into stderr: "#7 /source/wp-conten..."

95 line is

$hitCount = $hitCount + 1;

to

$hitCount = (int)$hitCount + 1;

Hope it helps someone