Fix sqnorm
Fix sqnorm

tigerneil/chainer,sinhrks/chainer,cupy/cupy,cupy/cupy,okuta/chainer,ronekko/chainer,chainer/chainer,niboshi/chainer,jnishi/chainer,hvy/chainer,ytoyama/yans_chainer_hackathon,keisuke-umezawa/chainer,niboshi/chainer,wkentaro/chainer,keisuke-umezawa/chainer,hvy/chainer,cupy/cupy,masia02/chainer,t-abe/chainer,truongdq/chainer,keisuke-umezawa/chainer,muupan/chainer,umitanuki/chainer,okuta/chainer,niboshi/chainer,cemoody/chainer,Kaisuke5/chainer,ysekky/chainer,tkerola/chainer,jnishi/chainer,jnishi/chainer,yanweifu/chainer,chainer/chainer,hidenori-t/chainer,truongdq/chainer,ktnyt/chainer,chainer/chainer,hvy/chainer,sinhrks/chainer,laysakura/chainer,ktnyt/chainer,tscohen/chainer,sou81821/chainer,t-abe/chainer,niboshi/chainer,wkentaro/chainer,benob/chainer,keisuke-umezawa/chainer,hvy/chainer,minhpqn/chainer,cupy/cupy,aonotas/chainer,wkentaro/chainer,wkentaro/chainer,ktnyt/chainer,pfnet/chainer,muupan/chainer,ikasumi/chainer,okuta/chainer,delta2323/chainer,okuta/chainer,anaruse/chainer,1986ks/chainer,chainer/chainer,jnishi/chainer,ktnyt/chainer,kikusu/chainer,kashif/chainer,kikusu/chainer,rezoo/chainer,benob/chainer,AlpacaDB/chainer,AlpacaDB/chainer,kiyukuta/chainer