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

refs: #3983

Change-Id: I31da8d68e0285dcfe9c7d3e5e678c00397d22bef
diff --git a/src/route/name-prefix-table-entry.cpp b/src/route/name-prefix-table-entry.cpp
index 922b24c..1abc87b 100644
--- a/src/route/name-prefix-table-entry.cpp
+++ b/src/route/name-prefix-table-entry.cpp
@@ -43,7 +43,7 @@
 }
 
 uint64_t
-NamePrefixTableEntry::removeRoutingTableEntry(shared_ptr<RoutingTablePoolEntry>
+NamePrefixTableEntry::removeRoutingTableEntry(std::shared_ptr<RoutingTablePoolEntry>
                                               rtpePtr)
 {
   auto rtpeItr = std::find(m_rteList.begin(), m_rteList.end(), rtpePtr);
@@ -60,7 +60,7 @@
 }
 
 void
-NamePrefixTableEntry::addRoutingTableEntry(shared_ptr<RoutingTablePoolEntry>
+NamePrefixTableEntry::addRoutingTableEntry(std::shared_ptr<RoutingTablePoolEntry>
                                            rtpePtr)
 {
   auto rtpeItr = std::find(m_rteList.begin(), m_rteList.end(), rtpePtr);
@@ -105,7 +105,7 @@
 {
   os << "Name: " << entry.getNamePrefix() << "\n";
 
-  for (const shared_ptr<RoutingTablePoolEntry> rtpePtr : entry.getRteList()) {
+  for (const std::shared_ptr<RoutingTablePoolEntry> rtpePtr : entry.getRteList()) {
     os << "Destination: " << rtpePtr->getDestination() << "\n";
   }