[gnome-build-meta/barthalion/gottagofast] fix syntax error

[Bartłomiej Piotrowski <bpiotrowski src gnome org>]

commit 0ea0e4cb10a4a42adb4e16a2bab952f343d985e2
Author: Bartłomiej Piotrowski <bpiotrowski gnome org>
Date:   Mon Jul 13 20:19:16 2020 +0200

    fix syntax error

 .gitlab-ci.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 455e848c..e0045a14 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -1,4 +1,4 @@
-FLATPAK_BRANCH:variables:
+variables:
   # Store all the bst stuff under the "${CI_PROJECT_DIR}" directory.
   # Note that GitLab CI will only cache stuff inside the "${CI_PROJECT_DIR}" folder.
   XDG_CACHE_HOME: "${CI_PROJECT_DIR}/cache"