[nautilus] CI: Fedora Rawhide: Fix before_script

[Carlos Soriano <csoriano src gnome org>]

commit 2d2bd8ea988dcc90462ae4747f66c636eed3e61f
Author: Carlos Soriano <csoriano1618 gmail com>
Date:   Mon Mar 19 23:06:54 2018 +0000

    CI: Fedora Rawhide: Fix before_script

 .gitlab-ci.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index b913dcda2..6c356bfeb 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -38,7 +38,7 @@ flatpak:master:
 fedora:rawhide:
     image: fedora:rawhide
     stage: cross_distro
-    script:
+    before_script:
     - dnf install -y 'dnf-command(builddep)' redhat-rpm-config
     - dnf builddep -y nautilus
     <<: *distro_test