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/make-interest-data.cpp b/tests/make-interest-data.cpp
index 4f66268..76b2f44 100644
--- a/tests/make-interest-data.cpp
+++ b/tests/make-interest-data.cpp
@@ -19,8 +19,9 @@
  * See AUTHORS.md for complete list of ndn-cxx authors and contributors.
  */
 
-#include "make-interest-data.hpp"
-#include "security/signature-sha256-with-rsa.hpp"
+#include "tests/make-interest-data.hpp"
+
+#include "ndn-cxx/security/signature-sha256-with-rsa.hpp"
 
 namespace ndn {
 namespace tests {