Further reduce the use of std::bind()
And also avoid deprecated ndn-cxx type aliases
Change-Id: I87e903b9671a3cf1c1b9ab30d4594d595c3c6da9
diff --git a/core/common.hpp b/core/common.hpp
index 0e47227..38cf178 100644
--- a/core/common.hpp
+++ b/core/common.hpp
@@ -112,7 +112,7 @@
namespace lp = ndn::lp;
namespace name = ndn::name;
namespace scheduler = ndn::scheduler;
-namespace signal = ndn::util::signal;
+namespace signal = ndn::signal;
namespace time = ndn::time;
using namespace ndn::time_literals;