another change !wip

appveyor.yml

@@ -8,6 +8,9 @@ environment:
 install:
   # Get the latest stable version of Node.js or io.js
   - ps: Install-Product node $env:nodejs_version
+
+  - cmd: set path=%programfiles(x86)%\\Microsoft SDKs\TypeScript\2.2;%path%
+  - cmd: tsc -v
 build_script:
   - ps: ./build.ps1 --settings_skipverification=true