add fn yolodetecttrack2

zhangmeng

2019-07-15 76f25eb0e46494b7f564e704f422002331a969a5

 csrc/buz/face/detector.cpp

@@ -52,7 +52,7 @@
            memcpy(fpos, facesPos, sizeof(THFI_FacePos) * faceNum);
            
        }else{
            printf ("no face detected\n");
            // printf ("no face detected\n");
        }
        return fpos;
    }