Update appveyor version

robertcoltheart · robertcoltheart · commit ac5b2d2d260d · 2017-10-11T21:55:54.000+08:00
diff --git a/appveyor.yml b/appveyor.yml
@@ -1,6 +1,6 @@
 environment:
-  nuget_version: '2.4.0'
-  nuget_prerelease: false
+  nuget_version: '2.4.0-beta.1'
+  nuget_prerelease: true
  # vsix_version: '2.1.0'
   assembly_version: '2.4.0'
 
