在第36行中,“rt_size_t size”应改为“rt_uint32_t size”。
在第43行中,“rt_size_t size”应改为“rt_uint32_t size”。

In line 36, "rt_size_t size" should be changed to "rt_uint32_t size".
In line 43, "rt_size_t size" should be changed to "rt_uint32_t size".
Signed-off-by: NZhou Yanjie <zhou_yan_jie@163.com>