some more update in ndncert-ca-status

Change-Id: Ib17e9ced094ea083e91df69b6a9f3bc5555117df
diff --git a/tools/ndncert-ca-status.cpp b/tools/ndncert-ca-status.cpp
index 01b1398..4b75cb9 100644
--- a/tools/ndncert-ca-status.cpp
+++ b/tools/ndncert-ca-status.cpp
@@ -65,7 +65,9 @@
   requestList = storage.listAllRequests();
   std::cerr << "The pending requests are :" << std::endl;
   for (const auto& entry : requestList) {
-    std::cerr << entry;
+    std::cerr << "***************************************\n"
+              << entry
+              << "***************************************\n";
   }
   return 0;
 }