Ignore empty extra lines in train.txt

AlexeyAB

2018-05-29 ec766fc3f114dd4faaa3add500776a7bae957ba5

1
2
3
 
 
./darknet detector demo ./cfg/coco.data ./cfg/yolov2.cfg ./yolov2.weights test50.mp4 -i 0 -thresh 0.25