Fix contatenation of BUILD_OPTION

.gitlab-ci.yml

@@ -15,7 +15,7 @@ variables:
     - chmod u+x ./bootstrap-whizard.sh
     - apt-get update && apt-get install -y rsync cmake
   script:
-    - ROOT_DIR="${ROOT_DIR}" DEBUG=True FORCE=True BUILD="$(pwd)" PREFIX="$(pwd)/install" ./bootstrap-whizard.sh "${BUILD_OPTION}"
+    - ROOT_DIR="${ROOT_DIR}" DEBUG=True FORCE=True BUILD="$(pwd)" PREFIX="$(pwd)/install" ./bootstrap-whizard.sh ${BUILD_OPTION}
   artifacts:
     expire_in: 2 hours
     when: always