fix release file in travis

.travis.yml

@@ -41,17 +41,15 @@ before_install:
 - sudo cp /usr/local/cuda/targets/x86_64-linux/lib/stubs/libcuda.so /usr/lib/
 script:
 - "./build.sh"
-- find release -type f -name *so -exec mv '{}' '{}'${CUDA_SHORT} \;
+- find release -type f -name *so -exec mv '{}' '{}'.${CUDA_SHORT} \;
 - ls -l release/
 
-before_deploy:
-  - export RELEASE_FILE=$(ls release/*.so)
-  - echo "deploying $RELEASE_FILE to GitHub releases"
 deploy:
   provider: releases
   api_key: $GITHUB_ACCESS_TOKEN
+  skip_cleanup: true
   file_glob: true
-  file: "${RELEASE_FILE}"
+  file: release/*
   on:
     repo: yzs981130/cuda-wrapper
     tags: true