[gimp/wip/Jehan/fix-ci-vapigen] gitlab-ci: babl requires now vapigen for Vala binding.

[Jehan <jehanp src gnome org>]

commit 2baf8a3be195615597d9178d44ee2700070b102e
Author: Jehan <jehan girinstud io>
Date:   Tue May 5 16:18:54 2020 +0200

    gitlab-ci: babl requires now vapigen for Vala binding.

 .gitlab-ci.yml | 1 +
 1 file changed, 1 insertion(+)
---
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 1ac1d624c7..488c452949 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -46,6 +46,7 @@ deps-debian/testing:
         luajit
         meson
         python3
+        valac
     - apt-get install -y --reinstall ca-certificates
     - git clone --depth=${GIT_DEPTH} https://gitlab.gnome.org/GNOME/babl.git _babl
     - git clone --depth=${GIT_DEPTH} https://gitlab.gnome.org/GNOME/gegl.git _gegl