C++ 网络初始化错误 rknn_init fail! ret=-6

重新更新一下rknn-api

sudo dnf clean all
sudo dnf update -y

版本确认：
[toybrick@localhost ~]$ rpm -aq rknn-api npuservice
npuservice-1.0.3-1.rockchip.fc28.aarch64
rknn-api-0.9.5-2.rockchip.fc28.aarch64
运行时版本打印如下：
D RKNNAPI: ==============================================
D RKNNAPI: RKNN VERSION:
D RKNNAPI:   API: 0.9.5 (a949908 build: 2019-05-07 22:20:43)
D RKNNAPI:   DRV: 0.9.6 (c12de8a build: 2019-05-06 20:10:17)
D RKNNAPI: ==============================================