Fix version in AppVeyor config (GH-5126)

zware · web-flow · commit 0ebf0ae6a2b0 · 2018-01-07T13:00:56.000-06:00
diff --git a/.github/appveyor.yml b/.github/appveyor.yml
@@ -1,4 +1,4 @@
-version: 2.7.13+.{build}
+version: 2.7build{build}
 clone_depth: 5
 branches:
   only:
