Set cuda device for cudaFree just to be safe
Set cuda device for cudaFree just to be safe

jnishi/chainer,hvy/chainer,pfnet/chainer,hvy/chainer,niboshi/chainer,keisuke-umezawa/chainer,niboshi/chainer,okuta/chainer,keisuke-umezawa/chainer,hvy/chainer,wkentaro/chainer,hvy/chainer,keisuke-umezawa/chainer,ktnyt/chainer,ktnyt/chainer,ktnyt/chainer,jnishi/chainer,chainer/chainer,wkentaro/chainer,okuta/chainer,keisuke-umezawa/chainer,wkentaro/chainer,okuta/chainer,wkentaro/chainer,niboshi/chainer,ktnyt/chainer,niboshi/chainer,jnishi/chainer,jnishi/chainer,okuta/chainer,chainer/chainer,tkerola/chainer,chainer/chainer,chainer/chainer