Fixed SSE4.1 dependencies when AVX=1 on Linux

AlexeyAB

2018-04-23 3df335bb50f890b12fa1a9965e91b0cf46d7902c

 src/detector.c

@@ -86,6 +86,7 @@
    args.n = imgs;
    args.m = plist->size;
    args.classes = classes;
    args.flip = net.flip;
    args.jitter = jitter;
    args.num_boxes = l.max_boxes;
   args.small_object = net.small_object;