Fix tarball smoke-test: diff in support build.sh

Author: dagood

.vsts.pipelines/jobs/ci-linux.yml

@@ -235,7 +235,7 @@ jobs:
       set -ex
       df -h
       $(docker.run) $(docker.tb.map) $(docker.tb.work) $(imageName) "$(tarballName)/build.sh" \
-        --run-smoke-test \
+        --run-smoke-test -- \
         /p:Configuration=$(sb.configuration)
       du -h $(rootDirectory) | sort -h | tail -n 50
     displayName: Run smoke-test in tarball