message: add support for windows build in travis-ci
diff: @@ -7,9 +7,16 @@ script:
  matrix:
  include:
  - rust: stable
  + os: windows
  + - rust: stable
  + os: osx
  + - rust: stable
  + os: linux
  - rust: nightly
  + os: linux
  - rust: nightly
  env: TARGET="wasm32-unknown-unknown"
  + os: linux
  before_script:
  - rustup target add ${TARGET} --toolchain nightly
  script:
  