fix line 13

Author: greg-lindsay

.openpublishing.redirection.json

@@ -10,6 +10,7 @@
       "redirect_url": "/previous-versions/azure/traffic-manager/scripts/traffic-manager-cli-websites-high-availability",
       "redirect_document_id": false
      },
+     {
       "source_path": "articles/network-watcher/network-watcher-security-group-view-powershell.md",
       "redirect_url": "/previous-versions/azure/network-watcher/network-watcher-security-group-view-powershell",
       "redirect_document_id": false