Fixed demo for video files: is used do_nms_sort() instead of do_nms_obj().

AlexeyAB

2018-05-21 46028c6621f1a75874054db23dfa103a7759a483

 cfg/darknet19_448.cfg

@@ -1,6 +1,8 @@
[net]
batch=128
subdivisions=4
#batch=128
#subdivisions=4
batch=1
subdivisions=1
height=448
width=448
max_crop=512