fix content server
btw, ccn exception when prefix discvoery enabled at home
diff --git a/src/content-server.h b/src/content-server.h
index 946170d..47640d9 100644
--- a/src/content-server.h
+++ b/src/content-server.h
@@ -46,6 +46,9 @@
 
 private:
   void
+  serve (Ccnx::Name forwardingHint, const Ccnx::Name &interest);
+
+  void
   serve_Action (Ccnx::Name forwardingHint, const Ccnx::Name &interest);
 
   void