message: appveyor use antrl 4.9.3
diff: @@ -18,7 +18,7 @@ environment:
  # add to path otherwise Cython is not found
  PATH: $(PYTHON)\Scripts;$(PATH)
  PLATFORM: x64
  - ANTLR_VER: 4.9
  + ANTLR_VER: 4.9.3
  #- GENERATOR: -G"Visual Studio 15 2017 Win64"
  # APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2017
  # BUILD_TYPE: Release
  @@ -43,7 +43,7 @@ install:
  - "curl -fsS -o antlr4-complete.jar https://www.antlr.org/download/antlr-%ANTLR_VER%-complete.jar"
  - "git clone https://github.com/antlr/antlr4"
  - "cd antlr4/runtime/Cpp"
  - #- "git checkout %ANTLR_VER%"
  + - "git checkout %ANTLR_VER%"
  - "mkdir build"
  - "cd build"
  - 'cmake %GENERATOR% -DWITH_STATIC_CRT=Off -DCMAKE_BUILD_TYPE=%BUILD_TYPE% -DCMAKE_INSTALL_PREFIX="C:\\Program Files" ..'
  