Updated the default build os

niemyjski · niemyjski · commit aa8a14f50750 · 2016-01-18T16:20:19.000-06:00
diff --git a/appveyor.yml b/appveyor.yml
@@ -1,4 +1,5 @@
 version: 3.3.{build}
+os: Visual Studio 2015
 clone_depth: 2
 configuration: Release
 
