Simplify initial build number in appveyor

AArnott · AArnott · commit e58972461583 · 2017-05-06T22:06:00.000-07:00
diff --git a/appveyor.yml b/appveyor.yml
@@ -1,4 +1,4 @@
-version: 99.0.{build}
+version: '{build}'
 skip_tags: true
 os: Visual Studio 2017
 configuration: Release
