fix return type error of rt_strcasecmp: rt_uint32_t to rt_int32_t#3480

Merged

BernardXiong merged 1 commit intoRT-Thread:masterfrom

Mar 26, 2020

Commits on Mar 24, 2020

fix return type error of rt_strcasecmp: rt_uint32_t to rt_int32_t
lihui
committed