Update .gitlab-ci.yml

.gitlab-ci.yml

@@ -16,7 +16,7 @@ build-3.7-VS2017:
     - git submodule sync --recursive
     - git submodule update --init --recursive
   script:
-    - ' &"set Path=%Path%;C:\Program Files\Python37;C:\Program Files\Python37\Scripts;C:\Program\ Files\CMake\bin;'
+    - ' &"set Path=%Path%;C:\Program Files\Python37;C:\Program Files\Python37\Scripts;C:\Program\ Files\CMake\bin;"'
     - 'virtualenv.exe --clear -p "C:\Program Files\Python37\python.exe" .'
     - call .\Scripts\activate
     - python setup.py bdist_wheel --dist-dir dist3