correct the file name in the comment, and fixed the coding style

git-svn-id: https://rt-thread.googlecode.com/svn/trunk@2430 bbd45198-f89e-11dd-88c7-29a3b14d5316

src/module.h

 /*
- * File      : module.c
+ * File      : module.h
  * This file is part of RT-Thread RTOS
  * COPYRIGHT (C) 2006 - 2012, RT-Thread Development Team
  *