Fix sqnorm
Fix sqnorm

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