nlsr: Pass keyChain to NLSR constructor

refs: #3742

Change-Id: I186784da2989aa8bcc396c81c4fc80254a6f313a
diff --git a/tests/publisher/publisher-fixture.hpp b/tests/publisher/publisher-fixture.hpp
index eda0f71..4466b9b 100644
--- a/tests/publisher/publisher-fixture.hpp
+++ b/tests/publisher/publisher-fixture.hpp
@@ -34,7 +34,7 @@
 public:
   PublisherFixture()
     : face(make_shared<ndn::util::DummyClientFace>())
-    , nlsr(g_ioService, g_scheduler, ndn::ref(*face))
+    , nlsr(g_ioService, g_scheduler, ndn::ref(*face), g_keyChain)
     , lsdb(nlsr, g_scheduler, nlsr.getSyncLogicHandler())
   {
   }