Fix a docker image error. (#17930)

This change doesn't effect CI task because CI docker config build
was done in another way.

test=develop

tools/manylinux1/build_all.sh

@@ -25,7 +25,7 @@ sed 's/<NCCL_MAKE_OPTS>/NVCC_GENCODE="-gencode=arch=compute_35,code=sm_35 -genco
 docker build -t ${REPO}/paddle_manylinux_devel:cuda9.0_cudnn7 -f Dockerfile.tmp .
 docker push ${REPO}/paddle_manylinux_devel:cuda9.0_cudnn7
 
-sed 's/<baseimg>/10.0-devel-centos6/g' Dockerfile.x64 | \
+sed 's/<baseimg>/10.0-cudnn7-devel-centos6/g' Dockerfile.x64 | \
 sed 's/<NCCL_MAKE_OPTS>/NVCC_GENCODE="-gencode=arch=compute_35,code=sm_35 -gencode=arch=compute_50,code=sm_50 -gencode=arch=compute_52,code=sm_52 -gencode=arch=compute_60,code=sm_60 -gencode=arch=compute_60,code=compute_60 -gencode=arch=compute_61,code=sm_61 -gencode=arch=compute_62,code=sm_62 -gencode=arch=compute_70,code=sm_70 -gencode=arch=compute_75,code=sm_75"/g'> Dockerfile.tmp
 docker build -t ${REPO}/paddle_manylinux_devel:cuda10.0_cudnn7 -f Dockerfile.tmp .
 docker push ${REPO}/paddle_manylinux_devel:cuda10.0_cudnn7