Fix size for lstm, identity_projection and concat
Fix size for lstm, identity_projection and concat

pkuyym/Paddle,QiJune/Paddle,reyoung/Paddle,chengduoZH/Paddle,luotao1/Paddle,pengli09/Paddle,tensor-tang/Paddle,PaddlePaddle/Paddle,luotao1/Paddle,reyoung/Paddle,Canpio/Paddle,Canpio/Paddle,Canpio/Paddle,lcy-seso/Paddle,jacquesqiao/Paddle,hedaoyuan/Paddle,reyoung/Paddle,QiJune/Paddle,pengli09/Paddle,luotao1/Paddle,Canpio/Paddle,yu239/Paddle,chengduoZH/Paddle,jacquesqiao/Paddle,hedaoyuan/Paddle,chengduoZH/Paddle,pkuyym/Paddle,putcn/Paddle,yu239/Paddle,lcy-seso/Paddle,pengli09/Paddle,lispc/Paddle,pengli09/Paddle,baidu/Paddle,lcy-seso/Paddle,pkuyym/Paddle,baidu/Paddle,QiJune/Paddle,hedaoyuan/Paddle,luotao1/Paddle,lispc/Paddle,chengduoZH/Paddle,QiJune/Paddle,luotao1/Paddle,yu239/Paddle,reyoung/Paddle,jacquesqiao/Paddle,tensor-tang/Paddle,PaddlePaddle/Paddle,hedaoyuan/Paddle,lispc/Paddle,lispc/Paddle,baidu/Paddle,baidu/Paddle,Canpio/Paddle,tensor-tang/Paddle,lcy-seso/Paddle,tensor-tang/Paddle,PaddlePaddle/Paddle,putcn/Paddle,lispc/Paddle,PaddlePaddle/Paddle,pengli09/Paddle,luotao1/Paddle,pkuyym/Paddle,PaddlePaddle/Paddle,putcn/Paddle,jacquesqiao/Paddle,hedaoyuan/Paddle,hedaoyuan/Paddle,lcy-seso/Paddle,lispc/Paddle,pengli09/Paddle,pengli09/Paddle,yu239/Paddle,yu239/Paddle,QiJune/Paddle,lcy-seso/Paddle,lispc/Paddle,pkuyym/Paddle,pkuyym/Paddle,yu239/Paddle,jacquesqiao/Paddle,Canpio/Paddle,Canpio/Paddle,QiJune/Paddle,PaddlePaddle/Paddle,putcn/Paddle,yu239/Paddle,tensor-tang/Paddle,hedaoyuan/Paddle,hedaoyuan/Paddle,baidu/Paddle,reyoung/Paddle,jacquesqiao/Paddle,luotao1/Paddle,lispc/Paddle,chengduoZH/Paddle,putcn/Paddle,putcn/Paddle,reyoung/Paddle,Canpio/Paddle,PaddlePaddle/Paddle,yu239/Paddle,pengli09/Paddle