core: move nfd-specific files to daemon/

Refs: #4922
Change-Id: I2243dbb87c63f9cbaf7d7051d7a0d4bca2f9fdb5
diff --git a/daemon/face/unix-stream-channel.cpp b/daemon/face/unix-stream-channel.cpp
index 52a4c99..4ef1a18 100644
--- a/daemon/face/unix-stream-channel.cpp
+++ b/daemon/face/unix-stream-channel.cpp
@@ -26,7 +26,7 @@
 #include "unix-stream-channel.hpp"
 #include "generic-link-service.hpp"
 #include "unix-stream-transport.hpp"
-#include "daemon/global.hpp"
+#include "common/global.hpp"
 
 #include <boost/filesystem.hpp>
 #include <sys/stat.h> // for chmod()