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/security/v2/validator-fixture.hpp b/tests/unit/security/v2/validator-fixture.hpp
index c9a5763..5bd195e 100644
--- a/tests/unit/security/v2/validator-fixture.hpp
+++ b/tests/unit/security/v2/validator-fixture.hpp
@@ -19,14 +19,15 @@
  * See AUTHORS.md for complete list of ndn-cxx authors and contributors.
  */
 
-#ifndef NDN_TESTS_SECURITY_V2_VALIDATOR_FIXTURE_HPP
-#define NDN_TESTS_SECURITY_V2_VALIDATOR_FIXTURE_HPP
+#ifndef NDN_TESTS_UNIT_SECURITY_V2_VALIDATOR_FIXTURE_HPP
+#define NDN_TESTS_UNIT_SECURITY_V2_VALIDATOR_FIXTURE_HPP
 
-#include "security/v2/validator.hpp"
-#include "security/v2/certificate-fetcher-from-network.hpp"
-#include "util/dummy-client-face.hpp"
+#include "ndn-cxx/security/v2/validator.hpp"
+#include "ndn-cxx/security/v2/certificate-fetcher-from-network.hpp"
+#include "ndn-cxx/util/dummy-client-face.hpp"
 
-#include "../../identity-management-time-fixture.hpp"
+#include "tests/boost-test.hpp"
+#include "tests/unit/identity-management-time-fixture.hpp"
 
 #include <boost/lexical_cast.hpp>
 
@@ -180,4 +181,4 @@
 } // namespace security
 } // namespace ndn
 
-#endif // NDN_TESTS_SECURITY_V2_VALIDATOR_FIXTURE_HPP
+#endif // NDN_TESTS_UNIT_SECURITY_V2_VALIDATOR_FIXTURE_HPP