nlsr: removed references to ndn-cxx/common aliases and improved namespacing

Change-Id: I65e4691305b0157f334fc68d96998c119ef8b03b
refs: #3406
diff --git a/tests/update/test-prefix-update-processor.cpp b/tests/update/test-prefix-update-processor.cpp
index 32cacb5..42d9fa0 100644
--- a/tests/update/test-prefix-update-processor.cpp
+++ b/tests/update/test-prefix-update-processor.cpp
@@ -169,7 +169,7 @@
     lsaInterestName.append(sessionTime);
     lsaInterestName.appendNumber(nlsr.getLsdb().getSequencingManager().getNameLsaSeq());
 
-    shared_ptr<Interest> lsaInterest = make_shared<Interest>(lsaInterestName);
+    std::shared_ptr<Interest> lsaInterest = std::make_shared<Interest>(lsaInterestName);
 
     face.receive(*lsaInterest);
     this->advanceClocks(ndn::time::milliseconds(10));