Appveyor: update Git submodules

diff --git a/appveyor.yml b/appveyor.yml
index fed0193b869b86d602d1ec98071525e6d47d9e00..5bfb3394d34527840df0631840b0723394c437c0 100644 (file)
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -13,6 +13,8 @@ environment:
     #- compiler: cygwin
 
 install:
+  # Retrieve submodules, dependencies are stored there.
+  - git submodule update --init
   # Only has to be installed when MSYS2 or Cygwin are enabled.
   #- cinst ghostscript
   - cinst winflexbison