Code cleanup

Author: yhirose

httplib.h

@@ -895,17 +895,18 @@ class Server {
 
   virtual bool process_and_close_socket(socket_t sock);
 
+  std::atomic<bool> is_running_{false};
+  std::atomic<bool> done_{false};
+
   struct MountPointEntry {
     std::string mount_point;
     std::string base_dir;
     Headers headers;
   };
   std::vector<MountPointEntry> base_dirs_;
-
-  std::atomic<bool> is_running_{false};
-  std::atomic<bool> done_{false};
   std::map<std::string, std::string> file_extension_and_mimetype_map_;
   Handler file_request_handler_;
+
   Handlers get_handlers_;
   Handlers post_handlers_;
   HandlersForContentReader post_handlers_for_content_reader_;
@@ -916,13 +917,15 @@ class Server {
   Handlers delete_handlers_;
   HandlersForContentReader delete_handlers_for_content_reader_;
   Handlers options_handlers_;
+
   HandlerWithResponse error_handler_;
   ExceptionHandler exception_handler_;
   HandlerWithResponse pre_routing_handler_;
   Handler post_routing_handler_;
-  Logger logger_;
   Expect100ContinueHandler expect_100_continue_handler_;
 
+  Logger logger_;
+
   int address_family_ = AF_UNSPEC;
   bool tcp_nodelay_ = CPPHTTPLIB_TCP_NODELAY;
   SocketOptions socket_options_ = default_socket_options;