appveyor: use vs2017 backend for msvc2017 compiler
@@ -27,7 +27,7 @@ environment:
- arch: x86
compiler: msvc2017
- backend: vs2015
+ backend: vs2017
APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2017
- arch: x64
@@ -45,7 +45,7 @@ environment:
- arch: x64
compiler: msvc2017
- backend: vs2015
+ backend: vs2017
APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2017
platform:
