Fix the third version of LeNet5
Fix the third version of LeNet5

cupy/cupy,keisuke-umezawa/chainer,cupy/cupy,keisuke-umezawa/chainer,okuta/chainer,ktnyt/chainer,okuta/chainer,wkentaro/chainer,hvy/chainer,chainer/chainer,okuta/chainer,anaruse/chainer,ktnyt/chainer,cupy/cupy,wkentaro/chainer,cupy/cupy,keisuke-umezawa/chainer,pfnet/chainer,wkentaro/chainer,ronekko/chainer,ysekky/chainer,niboshi/chainer,jnishi/chainer,keisuke-umezawa/chainer,okuta/chainer,chainer/chainer,hvy/chainer,rezoo/chainer,delta2323/chainer,jnishi/chainer,ktnyt/chainer,kashif/chainer,chainer/chainer,niboshi/chainer,kiyukuta/chainer,tkerola/chainer,jnishi/chainer,aonotas/chainer,hvy/chainer,niboshi/chainer,wkentaro/chainer,jnishi/chainer,hvy/chainer,niboshi/chainer,chainer/chainer,ktnyt/chainer