core: move nfd-specific files to daemon/

Refs: #4922
Change-Id: I2243dbb87c63f9cbaf7d7051d7a0d4bca2f9fdb5
diff --git a/daemon/face/internal-face.cpp b/daemon/face/internal-face.cpp
index f82bd58..764dfd7 100644
--- a/daemon/face/internal-face.cpp
+++ b/daemon/face/internal-face.cpp
@@ -26,7 +26,7 @@
 #include "internal-face.hpp"
 #include "generic-link-service.hpp"
 #include "internal-transport.hpp"
-#include "daemon/global.hpp"
+#include "common/global.hpp"
 
 namespace nfd {
 namespace face {