ndns: Update

Change-Id: I05a0e0228f60fad22e31034a00d29b82cc8a010e
diff --git a/ndns/debian/control b/ndns/debian/control
index e66695d..522ce4f 100644
--- a/ndns/debian/control
+++ b/ndns/debian/control
@@ -5,7 +5,7 @@
  dh-systemd (>= 1.5),
  python (>= 2.7.0),
  pkg-config (>= 0.26),
- ndn-cxx-dev (>= 0.5.3)
+ ndn-cxx-dev (>= 0.6.5)
 Standards-Version: 3.9.2
 Section: net
 Homepage: http://github.com/named-data/ndns