[evince/wip/gpoo/test-autotools-flatpak] ci: Leave config.log after flatpak build

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

commit 83ff8b52ecded883af33662eea89804b3cef9031
Author: Germán Poo-Caamaño <gpoo gnome org>
Date:   Wed Oct 10 10:57:15 2018 -0300

    ci: Leave config.log after flatpak build

 .gitlab-ci.yml | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 34e78dd5..a2f2711e 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -74,7 +74,7 @@ flatpak:
         - ./build-aux/flatpak/local-build.sh
 
     artifacts:
-        when: on_success
         paths:
-        - build-aux/flatpak/org.gnome.Evince.flatpak
+            - config.log
+            - build-aux/flatpak/org.gnome.Evince.flatpak
         expire_in: 2 days