[gnome-build-meta/tristan/pipeline-enhancements] Try expanding vars again

[Tristan Van Berkom <tvb src gnome org>]

commit c7b9c414692fe4b09045c0091bdf216ff7ca53b1
Author: Tristan Van Berkom <tristan vanberkom codethink co uk>
Date:   Thu Apr 26 20:53:53 2018 +0900

    Try expanding vars again

 .gitlab-ci.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 69184d6..a662bd2 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -6,7 +6,7 @@ variables:
   XDG_CACHE_HOME: "${CI_PROJECT_DIR}/cache"
   GET_SOURCES_ATTEMPTS: 3
   BST_LOGS: "${CI_PROJECT_DIR}/logs"
-  BST: "bst --config ${CI_PROJECT_DIR}/build.conf --log-file ${CI_PROJECT_DIR}/logs/build.log --colors"
+  BST: "bst --config ${CI_PROJECT_DIR}/build.conf --log-file ${BST_LOGS}/build.log --colors"
   BST_SHA: '06ae434a7017edbf67bf46c3fe2e327466801787' #  1.1.3
 
 stages: