[evince] ci: Disable gtk-doc when building flatpak package

[Germán Poo-Caamaño <gpoo src gnome org>]

commit 6a555f9ff14daec15d97144ace3bdbff78a83a4d
Author: Germán Poo-Caamaño <gpoo gnome org>
Date:   Sat Sep 28 21:47:42 2019 -0300

    ci: Disable gtk-doc when building flatpak package

 .gitlab-ci.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 78800ac2..82a846d8 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -72,7 +72,7 @@ flatpak:
         MANIFEST_PATH: "build-aux/flatpak/org.gnome.Evince.json"
         RUNTIME_REPO: "https://sdk.gnome.org/gnome-nightly.flatpakrepo";
         FLATPAK_MODULE: "evince"
-        MESON_ARGS: "-Dnautilus=false"
+        MESON_ARGS: "-Dnautilus=false -Dgtk_doc=false"
         APP_ID: "org.gnome.Evince"
 
     script: