fix cuda 7.5 compile error (#9885)
fix cuda 7.5 compile error (#9885)


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