chat-dialog-backend: handle exit properly
Change-Id: Iadab00119f6247e90cfc9ee585b9506f88876e47
diff --git a/src/common.hpp b/src/common.hpp
index 9b427b6..9acb3b7 100644
--- a/src/common.hpp
+++ b/src/common.hpp
@@ -45,17 +45,18 @@
using boost::noncopyable;
-using ndn::shared_ptr;
-using ndn::weak_ptr;
-using ndn::enable_shared_from_this;
-using ndn::make_shared;
-using ndn::static_pointer_cast;
-using ndn::dynamic_pointer_cast;
-using ndn::const_pointer_cast;
-using ndn::function;
-using ndn::bind;
-using ndn::ref;
-using ndn::cref;
+using std::shared_ptr;
+using std::unique_ptr;
+using std::weak_ptr;
+using std::enable_shared_from_this;
+using std::make_shared;
+using std::static_pointer_cast;
+using std::dynamic_pointer_cast;
+using std::const_pointer_cast;
+using std::function;
+using std::bind;
+using std::ref;
+using std::cref;
using ndn::Interest;
using ndn::Data;