appveyor.yml: Install python "pypiwin32" module.
pypiwin32 is now required for the build.
@@ -33,7 +33,7 @@ init:
cd C:\openvswitch
- python -m pip install six --disable-pip-version-check
+ python -m pip install six pypiwin32 --disable-pip-version-check
build_script:
- '"C:\Program Files (x86)\Microsoft Visual Studio 12.0\Common7\Tools\VsDevCmd"'
