update appveyor

Ihar Yakimush · Ihar Yakimush · commit 743540381ac7 · 2018-01-27T20:05:09.000+03:00
diff --git a/appveyor.yml b/appveyor.yml
@@ -13,4 +13,4 @@ dotnet_csproj:
 nuget:
   disable_publish_on_pr: true
 build_script:
-- ps: build.ps1
+- ps: .\build.ps1
