Change #include style

Header files are now always included with their path from the
project's root directory rather than the path relative to
the includer.

Change-Id: If39b8510eef8da00baf5fe88337c45dbdf8c766e
Refs: #3084
diff --git a/tests/unit/net/network-configuration-detector.cpp b/tests/unit/net/network-configuration-detector.cpp
index 3e4f128..84e1244 100644
--- a/tests/unit/net/network-configuration-detector.cpp
+++ b/tests/unit/net/network-configuration-detector.cpp
@@ -19,12 +19,12 @@
  * See AUTHORS.md for complete list of ndn-cxx authors and contributors.
  */
 
-#include "network-configuration-detector.hpp"
+#include "tests/unit/net/network-configuration-detector.hpp"
 
-#include <boost/asio/ip/address.hpp>
-#include <boost/asio/ip/udp.hpp>
-#include <boost/asio/ip/basic_resolver.hpp>
 #include <boost/asio/io_service.hpp>
+#include <boost/asio/ip/address.hpp>
+#include <boost/asio/ip/basic_resolver.hpp>
+#include <boost/asio/ip/udp.hpp>
 #include <boost/range/iterator_range_core.hpp>
 
 namespace ndn {