daemon+rib: add proper #include line for NDNLPv2 tags

refs #3755

Change-Id: I3ab279405aca7c7139e8d0e8e662eb3ea7200045
diff --git a/daemon/table/cs.cpp b/daemon/table/cs.cpp
index 19df21a..8578a0d 100644
--- a/daemon/table/cs.cpp
+++ b/daemon/table/cs.cpp
@@ -27,6 +27,7 @@
 #include "cs-policy-priority-fifo.hpp"
 #include "core/logger.hpp"
 #include "core/algorithm.hpp"
+#include <ndn-cxx/lp/tags.hpp>
 
 NFD_LOG_INIT("ContentStore");