[releng] Fix mkdir after failed promotion
diff --git a/releng/org.eclipse.qvtd.releng.build-site/updates.sh b/releng/org.eclipse.qvtd.releng.build-site/updates.sh
index af728e0..c5eab0e 100644
--- a/releng/org.eclipse.qvtd.releng.build-site/updates.sh
+++ b/releng/org.eclipse.qvtd.releng.build-site/updates.sh
@@ -124,7 +124,7 @@
 
     fi
 
-    mkdir ${buildFolder}/newlatest
+    mkdir -p ${buildFolder}/newlatest
     pushd ${buildFolder}/newlatest
       ${manageComposite} add -Dchild.repository=${latestRelativeReference} -Dcomposite.name="${projectRepoName} Latest ${PUBLISH__VERSION} ${buildRepoName} Repository"
     popd