AppVeyor: Put VS 2017 first

VS 2017 is the newest compiler, with the most interesting feedback.
Place it first so we get its feedback first.

diff --git a/.appveyor.yml b/.appveyor.yml
index 29842cda2e0f474e0cb92a217d10d3acd92b47f8..75f7cb17ed3434d3b633da8c7fe1b884aea94a6b 100644 (file)
--- a/.appveyor.yml
+++ b/.appveyor.yml
@@ -4,10 +4,12 @@
 # version format
 version: "{build}"
 
+# The most recent compiler gives the most interesting new results.
+# Put it first so we get its feedback first.
 os:
-  - Visual Studio 2013
-  - Visual Studio 2015
   - Visual Studio 2017
+  - Visual Studio 2015
+  - Visual Studio 2013
 
 platform:
   - x64