mgmt: add body to face destroy control response

refs: #1392

Change-Id: I8b2e7927679224ab180692884f2d082ad3c66d4d
diff --git a/daemon/mgmt/face-manager.cpp b/daemon/mgmt/face-manager.cpp
index bbd495e..7ebe384 100644
--- a/daemon/mgmt/face-manager.cpp
+++ b/daemon/mgmt/face-manager.cpp
@@ -647,7 +647,10 @@
     {
       target->close();
     }
-  sendResponse(requestName, 200, "Success");
+
+  ndn::nfd::ControlResponse response;
+  setResponse(response, 200, "Success", options.wireEncode());
+  sendResponse(requestName, response);
 }
 
 void