Minor fix

AlexeyAB

2018-04-03 ee8a9419227d551f9c1917dec843d3c4dd526a66

 src/detector.c

@@ -1146,4 +1146,5 @@
        demo(cfg, weights, thresh, hier_thresh, cam_index, filename, names, classes, frame_skip, prefix, out_filename,
         http_stream_port, dont_show);
    }
   else printf(" There isn't such command: %s", argv[2]);
}