src: Enabling -Werror in debug mode and some style updates

Several important warnings are still getting suppressed, because of
CryptoPP library

Change-Id: I8fb3d938544ecc38c65529262504dc753124bafd
diff --git a/tools/ndnsec-delete.hpp b/tools/ndnsec-delete.hpp
index bced204..2536344 100644
--- a/tools/ndnsec-delete.hpp
+++ b/tools/ndnsec-delete.hpp
@@ -16,7 +16,7 @@
   using namespace ndn;
   namespace po = boost::program_options;
 
-  bool deleteId = true;
+  // bool deleteId = true;
   bool deleteKey = false;
   bool deleteCert = false;
   std::string name;
@@ -55,12 +55,12 @@
   if(vm.count("delete_cert"))
     {
       deleteCert = true;
-      deleteId = false;
+      // deleteId = false;
     }
   else if(vm.count("delete_key"))
     {
       deleteKey = true;
-      deleteId = false;
+      // deleteId = false;
     }
   
   try