nlsr: Don't use ndn aliases provided by ndn-cxx/common.hpp

refs: #3983

Change-Id: I31da8d68e0285dcfe9c7d3e5e678c00397d22bef
diff --git a/tests/test-link-state-calculator.cpp b/tests/test-link-state-calculator.cpp
index 04c5ff4..f4fffb6 100644
--- a/tests/test-link-state-calculator.cpp
+++ b/tests/test-link-state-calculator.cpp
@@ -41,8 +41,8 @@
 {
 public:
   LinkStateCalculatorFixture()
-    : face(make_shared<ndn::util::DummyClientFace>(g_ioService))
-    , nlsr(g_ioService, g_scheduler, ndn::ref(*face), g_keyChain)
+    : face(std::make_shared<ndn::util::DummyClientFace>(g_ioService))
+    , nlsr(g_ioService, g_scheduler, std::ref(*face), g_keyChain)
     , routingTable(nlsr.getRoutingTable())
     , lsdb(nlsr.getLsdb())
   {
@@ -101,7 +101,7 @@
   }
 
 public:
-  shared_ptr<ndn::util::DummyClientFace> face;
+  std::shared_ptr<ndn::util::DummyClientFace> face;
   Nlsr nlsr;
   Map map;