[nautilus] CI: Install gsettings-desktop-schemas-dev on Ubuntu

[Ernestas Kulik <ernestask src gnome org>]

commit 7142d4130b3965e7565f4cbeedabbe7d826ce90c
Author: Ernestas Kulik <ernestas kulik gmail com>
Date:   Mon Jul 9 07:25:25 2018 +0000

    CI: Install gsettings-desktop-schemas-dev on Ubuntu

 .gitlab-ci.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 0689bb168..54d4c6a82 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -94,7 +94,7 @@ ubuntu:devel:
                          gobject-introspection libxml2-dev
                          libtracker-control-2.0-dev desktop-file-utils libgexiv2-dev
                          libtracker-sparql-2.0-dev
-                         libgirepository1.0-dev
+                         libgirepository1.0-dev gsettings-desktop-schemas-dev
     <<: *distro_test
     only:
         - schedules