Polishing + make the code compiled on Windows.

server-tools/instance-manager/listener.cc:
  Polishing: declare variable prior to the first statement in block.
server-tools/instance-manager/listener.h:
  Polishing.
server-tools/instance-manager/manager.cc:
  Make Manager::manager_pid local variable.
server-tools/instance-manager/manager.h:
  Make Manager::manager_pid local variable.
server-tools/instance-manager/thread_registry.cc:
  Polsihing.

server-tools/instance-manager/listener.cc

@@ -82,12 +82,12 @@ void Listener::run()
 {
   int i, n= 0;
 
-  log_info("Listener: started.");
-
 #ifndef __WIN__
   struct sockaddr_un unix_socket_address;
 #endif
 
+  log_info("Listener: started.");
+
   thread_registry->register_thread(&thread_info);
 
   FD_ZERO(&read_fds);

server-tools/instance-manager/listener.h

@@ -34,18 +34,25 @@ class Listener: public Thread
 {
 public:
   Listener(Thread_registry *thread_registry_arg, User_map *user_map_arg);
+
 protected:
   virtual void run();
+
+private:
+  static const int LISTEN_BACK_LOG_SIZE= 5;     /* standard backlog size */
+
 private:
   Thread_info thread_info;
   Thread_registry *thread_registry;
   User_map *user_map;
-  static const int LISTEN_BACK_LOG_SIZE= 5;     /* standard backlog size */
+
   ulong total_connection_count;
 
   int sockets[2];
   int num_sockets;
   fd_set read_fds;
+
+private:
   void handle_new_mysql_connection(struct st_vio *vio);
   int create_tcp_socket();
   int create_unix_socket(struct sockaddr_un &unix_socket_address);

server-tools/instance-manager/manager.cc

@@ -114,7 +114,6 @@ Guardian *Manager::p_guardian;
 Instance_map *Manager::p_instance_map;
 Thread_registry *Manager::p_thread_registry;
 User_map *Manager::p_user_map;
-pid_t Manager::manager_pid;
 
 /*
   manager - entry point to the main instance manager process: start
@@ -131,6 +130,7 @@ int Manager::main()
   int rc= 1;
   const char *err_msg;
   bool shutdown_complete= FALSE;
+  pid_t manager_pid= getpid();
 
   Thread_registry thread_registry;
   /*
@@ -146,7 +146,6 @@ int Manager::main()
 
   Listener listener(&thread_registry, &user_map);
 
-  manager_pid= getpid();
   p_instance_map= &instance_map;
   p_guardian= instance_map.guardian= &guardian;
   p_thread_registry= &thread_registry;

server-tools/instance-manager/manager.h

@@ -38,12 +38,11 @@ public:
   static Guardian *get_guardian() { return p_guardian; }
   static Thread_registry *get_thread_registry() { return p_thread_registry; }
   static User_map *get_user_map() { return p_user_map; }
-  static pid_t get_manager_pid() { return manager_pid; }
 
 private:
   static void stop_all_threads();
+
 private:
-  static pid_t manager_pid;
   static Guardian *p_guardian;
   static Instance_map *p_instance_map;
   static Thread_registry *p_thread_registry;