appveyor: Update submodules

Needed for the new docs to build.

diff --git a/appveyor.yml b/appveyor.yml
index 423a6e416b5f540fc9c5ecd2fa7bfc50ad3f0351..0b05a1ab0444b066300267fefd6cfad6553c497a 100644 (file)
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -8,6 +8,7 @@ init:
 clone_folder: C:\GOPATH\src\github.com\gohugoio\hugo
 
 install:
+  - git submodule update --init --recursive
   - gem install asciidoctor
   - pip install docutils