registrar(k): missing include

modules_k/registrar/lookup.c

@@ -40,6 +40,7 @@
 #include "../../action.h"
 #include "../../parser/parse_rr.h"
 #include "../usrloc/usrloc.h"
+#include "../../lib/kcore/parser_helpers.h"
 #include "common.h"
 #include "regtime.h"
 #include "reg_mod.h"