[glib-networking/ci-windows] fixup

[Ignacio Casal Quinteiro <icq src gnome org>]

commit 3515c2b4536b6e726a914eb30d2cd373673b32db
Author: Ignacio Casal Quinteiro <qignacio amazon com>
Date:   Thu Jan 2 15:12:19 2020 +0100

    fixup

 .gitlab-ci.yml | 1 +
 1 file changed, 1 insertion(+)
---
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 4531ef3..ddea5c2 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -1,6 +1,7 @@
 image: registry.gitlab.gnome.org/gnome/glib-networking/master:v8
 
 fedora-x86_64:
+  stage: build
   script:
     # Sadly, GCC 9's LeakSanitizer is quite crashy, #86.
     # So we will run our tests under asan only once.