add fn yolodetecttrack2

zhangmeng

2019-07-15 76f25eb0e46494b7f564e704f422002331a969a5

 csrc/buz/face/tracker.cpp

@@ -19,7 +19,7 @@
        if(nNum != tm){
            printf("create face detector failed!\n");
        }else{
            vec.emplace_back([]{THFI_Release();});
            vec.emplace_back([]{THFT_Release();});
        }
        return nNum;
    }