Add missing steps.
diff --git a/.circleci/config.yml b/.circleci/config.yml
index fdbb1ad..adf1408 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -59,6 +59,7 @@
           COVERAGE: "ON"
           GCOV: gcov
           CTEST_OUTPUT_ON_FAILURE: 1
+    steps:
       - checkout
       - run: apt-get update -qq
       - run: apt-get install -y software-properties-common