apps: Fix wrong behaviour of default Size in ConsumerWindow

Change-Id: Iaacdab1ced3c531741f83b134b54637680b10c78
diff --git a/apps/ndn-consumer-window.cpp b/apps/ndn-consumer-window.cpp
index b806190..79c31e2 100644
--- a/apps/ndn-consumer-window.cpp
+++ b/apps/ndn-consumer-window.cpp
@@ -26,6 +26,7 @@
 #include "ns3/string.h"
 #include "ns3/uinteger.h"
 #include "ns3/double.h"
+#include <limits>
 
 NS_LOG_COMPONENT_DEFINE("ndn.ConsumerWindow");
 
@@ -127,7 +128,7 @@
 {
   m_maxSize = size;
   if (m_maxSize < 0) {
-    m_seqMax = 0;
+    m_seqMax = std::numeric_limits<uint32_t>::max();
     return;
   }