nfd: Update to 0.5.1-72-gf4056d02

Change-Id: I085270f43c34991101bca8ecac9ba319c644bf6d
diff --git a/nfd/debian/control b/nfd/debian/control
index 2177ff9..91762b3 100644
--- a/nfd/debian/control
+++ b/nfd/debian/control
@@ -5,7 +5,7 @@
  dh-systemd (>= 1.5),
  python (>= 2.7.0),
  pkg-config (>= 0.26),
- ndn-cxx-dev (>= 0.5.1),
+ ndn-cxx-dev (>= 0.5.1-60),
  python-sphinx,
  libpcap-dev,
  libboost-all-dev (>= 1.53.0)