Start initialization phase on application nack

PartialProducer: append sequence number in hello data

refs: #4693

Change-Id: I56ac3e331a92b9a79d3bf360571df2914a5374aa
diff --git a/src/partial-producer.cpp b/src/partial-producer.cpp
index 73fb677..d8d98a5 100644
--- a/src/partial-producer.cpp
+++ b/src/partial-producer.cpp
@@ -79,8 +79,8 @@
 
   State state;
 
-  for (const auto& p : m_prefixes) {
-    state.addContent(p.first);
+  for (const auto& prefix : m_prefixes) {
+    state.addContent(ndn::Name(prefix.first).appendNumber(prefix.second));
   }
   NDN_LOG_DEBUG("sending content p: " << state);