ndn-traffic-generator: Update to version 0.0.6-g6f33e (based on ndn-cxx-0.5.0)

Change-Id: Ieb7e2027ae9460a9716a6d65d573866b741660cd
diff --git a/ndn-traffic-generator/debian/control b/ndn-traffic-generator/debian/control
index 5b0662e..89ec8ed 100644
--- a/ndn-traffic-generator/debian/control
+++ b/ndn-traffic-generator/debian/control
@@ -4,7 +4,7 @@
 Build-Depends: debhelper (>= 8.0.0),
  python (>= 2.7.0),
  pkg-config (>= 0.26),
- ndn-cxx-dev (>= 0.4.1)
+ ndn-cxx-dev (>= 0.5.0)
 Standards-Version: 3.9.2
 Section: net
 Homepage: http://github.com/named-data/ndn-tlv-ping