949468f34c
在第519行中,“(rt_uint32_t *)msg”应改为“(rt_ubase_t *)msg”。 在第550行中,“(rt_uint32_t *)msg”应改为“(rt_ubase_t *)msg”。 In line 519, "(rt_uint32_t *)msg" should be changed to "(rt_ubase_t *)msg". In line 550, "(rt_uint32_t *)msg" should be changed to "(rt_ubase_t *)msg". Signed-off-by: Zhou Yanjie <zhou_yan_jie@163.com>