peek: add --hop-limit option

Change-Id: I1d0179f498ce70166085e6934e015ff4c00b4858
diff --git a/tools/peek/ndnpeek/ndnpeek.cpp b/tools/peek/ndnpeek/ndnpeek.cpp
index 7bcb137..cc9286c 100644
--- a/tools/peek/ndnpeek/ndnpeek.cpp
+++ b/tools/peek/ndnpeek/ndnpeek.cpp
@@ -63,10 +63,11 @@
   Interest interest(m_options.name);
   interest.setCanBePrefix(m_options.canBePrefix);
   interest.setMustBeFresh(m_options.mustBeFresh);
-  interest.setInterestLifetime(m_options.interestLifetime);
   if (m_options.link) {
     interest.setForwardingHint(m_options.link->getDelegationList());
   }
+  interest.setInterestLifetime(m_options.interestLifetime);
+  interest.setHopLimit(m_options.hopLimit);
   if (m_options.applicationParameters) {
     interest.setApplicationParameters(m_options.applicationParameters);
   }