core: move common.hpp to core/
Headers in core/ are now included as `#include "core/*.hpp"`.
This allows NFD to rely less on include paths when used as a submodule in
another codebase, such as ndnSIM and NFD-Android.
refs #3127
Change-Id: Ia38f3c97427e17ff7b5401281f1fe875b5d5313e
diff --git a/daemon/fw/strategy-registry.hpp b/daemon/fw/strategy-registry.hpp
index 6675004..83e9f73 100644
--- a/daemon/fw/strategy-registry.hpp
+++ b/daemon/fw/strategy-registry.hpp
@@ -26,7 +26,7 @@
#ifndef NFD_DAEMON_FW_STRATEGY_REGISTRY_HPP
#define NFD_DAEMON_FW_STRATEGY_REGISTRY_HPP
-#include "common.hpp"
+#include "core/common.hpp"
namespace nfd {