core: move nfd-specific files to daemon/

Refs: #4922
Change-Id: I2243dbb87c63f9cbaf7d7051d7a0d4bca2f9fdb5
diff --git a/tests/daemon/limited-io.cpp b/tests/daemon/limited-io.cpp
index c54a290..aeb1ea7 100644
--- a/tests/daemon/limited-io.cpp
+++ b/tests/daemon/limited-io.cpp
@@ -25,7 +25,7 @@
 
 #include "tests/daemon/limited-io.hpp"
 #include "tests/test-common.hpp"
-#include "daemon/global.hpp"
+#include "common/global.hpp"
 
 #include <boost/exception/diagnostic_information.hpp>