Add support for clearState() in w2nn.LeakyReLU
Add support for clearState() in w2nn.LeakyReLU

Spitfire1900/upscaler,zyhkz/waifu2x,zyhkz/waifu2x,nagadomi/waifu2x,nagadomi/waifu2x,nagadomi/waifu2x,Spitfire1900/upscaler,zyhkz/waifu2x,nagadomi/waifu2x,zyhkz/waifu2x,nagadomi/waifu2x