Fix helmrepo script syntax

Change-Id: I3d488855232c9e94959d3e32c67c0b37c7e150f1
diff --git a/helmrepo.sh b/helmrepo.sh
index fa78e49..a1336b5 100755
--- a/helmrepo.sh
+++ b/helmrepo.sh
@@ -43,7 +43,7 @@
 
 echo "Generating repo index"
 
-helm repo index "${REPO_DIR}" --url "${PUBLISH_URL}" --merge "${ORIGINAL_INDEX_YAML}
+helm repo index "${REPO_DIR}" --url "${PUBLISH_URL}" --merge "${ORIGINAL_INDEX_YAML}"
 
 echo "Finished, chart repo generated: ${REPO_DIR}"