message: trying VS 2019 on appveyor again
diff: @@ -28,8 +28,8 @@ environment:
  APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2015
  - gen: "Visual Studio 15 2017"
  APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2017
  -# - gen: "Visual Studio 16 2019"
  -# APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2019 Preview
  + - gen: "Visual Studio 16 2019"
  + APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2019
  install:
  - IF "%gen%" == "MinGW Makefiles" appveyor-retry appveyor DownloadFile http://downloads.sourceforge.net/mingw-w64/x86_64-8.1.0-release-posix-seh-rt_v6-rev0.7z
  