Update chainer/functions/activation/clipped_relu.py
Update chainer/functions/activation/clipped_relu.py

Co-Authored-By: aksub99 <679575879b41eb05bab83295ce9d9b92535069b4@gmail.com>
chainer/chainer,okuta/chainer,wkentaro/chainer,hvy/chainer,wkentaro/chainer,chainer/chainer,tkerola/chainer,wkentaro/chainer,keisuke-umezawa/chainer,chainer/chainer,hvy/chainer,chainer/chainer,pfnet/chainer,wkentaro/chainer,okuta/chainer,hvy/chainer,keisuke-umezawa/chainer,niboshi/chainer,niboshi/chainer,hvy/chainer,keisuke-umezawa/chainer,keisuke-umezawa/chainer,niboshi/chainer,niboshi/chainer,okuta/chainer,okuta/chainer