some fixes, some other experiments

Joseph Redmon

2014-12-22 4ab366a805a7678642539465d68ef906b4599aeb

 src/dropout_layer.c

@@ -80,6 +80,7 @@

void backward_dropout_layer_gpu(dropout_layer layer, cl_mem delta)
{
    if(!delta) return;
    int size = layer.inputs*layer.batch;

    cl_kernel kernel = get_dropout_kernel();