Add Windows SDK to appveyor build script

kriskbx · kriskbx · commit fce1aae284ca · 2018-08-25T16:53:12.000+02:00
diff --git a/appveyor.yml b/appveyor.yml
@@ -1,3 +1,5 @@
+image:
+  - Visual Studio 2017
 os: unstable
 cache:
   - node_modules -> yarn.lock
