core: move nfd-specific files to daemon/

Refs: #4922
Change-Id: I2243dbb87c63f9cbaf7d7051d7a0d4bca2f9fdb5
diff --git a/daemon/fw/algorithm.hpp b/daemon/fw/algorithm.hpp
index 95d8bc5..07a0e01 100644
--- a/daemon/fw/algorithm.hpp
+++ b/daemon/fw/algorithm.hpp
@@ -26,7 +26,7 @@
 #ifndef NFD_DAEMON_FW_PIT_ALGORITHM_HPP
 #define NFD_DAEMON_FW_PIT_ALGORITHM_HPP
 
-#include "core/scope-prefix.hpp"
+#include "fw/scope-prefix.hpp"
 #include "table/fib.hpp"
 #include "table/pit-entry.hpp"