One more modification of singleton (ability to destroy object)
diff --git a/ccnx/sync-app-socket.cc b/ccnx/sync-app-socket.cc
index 3da5402..e0b76de 100644
--- a/ccnx/sync-app-socket.cc
+++ b/ccnx/sync-app-socket.cc
@@ -39,6 +39,7 @@
 
 SyncAppSocket::~SyncAppSocket()
 {
+  CcnxWrapper::Destroy ();
 }
 
 bool