change dataCallback to have two parameters: name and content
diff --git a/model/sync-app-data-fetch.cc b/model/sync-app-data-fetch.cc
index af696e2..76b6119 100644
--- a/model/sync-app-data-fetch.cc
+++ b/model/sync-app-data-fetch.cc
@@ -32,6 +32,8 @@
 {
   for (uint32_t i = startSeq; i <= endSeq; i++)
   {
+    if (i == 0)
+      continue;
     string interestName = prefix;
     interestName += i;
     m_ccnxHandle->sendInterest(interestName, m_dataCallback);