Make /ping of php-fpm work again

The ping feature of php-fpm monitoring was previously not working due to the configuration variables ping.path and ping.response not being copied over to the worker when forked. This results in the ping code path being disabled because the worker detects that ping.path is not configured.

Author: Wilhansen

sapi/fpm/fpm/fpm_conf.c

@@ -752,6 +752,8 @@ static int fpm_worker_pool_shared_status_alloc(struct fpm_worker_pool_s *shared_
 	FPM_WPC_STR_CP(config, shared_config, user);
 	FPM_WPC_STR_CP(config, shared_config, group);
 	FPM_WPC_STR_CP(config, shared_config, pm_status_path);
+	FPM_WPC_STR_CP(config, shared_config, ping_path);
+	FPM_WPC_STR_CP(config, shared_config, ping_response);
 
 	config->pm = PM_STYLE_ONDEMAND;
 	config->pm_max_children = 2;