[Kernel] Change number to v4.0.0

include/rtdef.h

@@ -2,10 +2,6 @@
  * Copyright (c) 2006-2018, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
- */
-
-/*
- * File      : rtdef.h
  *
  * Change Logs:
  * Date           Author       Notes
@@ -28,6 +24,7 @@
  * 2018-05-31     Bernard      change version number to v3.1.0
  * 2018-09-04     Bernard      change version number to v3.1.1
  * 2018-09-14     Bernard      apply Apache License v2.0 to RT-Thread Kernel
+ * 2018-10-13     Bernard      change version number to v4.0.0
  */
 
 #ifndef __RT_DEF_H__
@@ -47,9 +44,9 @@ extern "C" {
 /*@{*/
 
 /* RT-Thread version information */
-#define RT_VERSION                      3L              /**< major version number */
-#define RT_SUBVERSION                   1L              /**< minor version number */
-#define RT_REVISION                     1L              /**< revise version number */
+#define RT_VERSION                      4L              /**< major version number */
+#define RT_SUBVERSION                   0L              /**< minor version number */
+#define RT_REVISION                     0L              /**< revise version number */
 
 /* RT-Thread version */
 #define RTTHREAD_VERSION                ((RT_VERSION * 10000) + \