nfd, chronosync: Update

Change-Id: I651f96ef1d106d97666d0408dd12e113eba206e2
diff --git a/nfd/debian/control b/nfd/debian/control
index 46e48b7..e36d920 100644
--- a/nfd/debian/control
+++ b/nfd/debian/control
@@ -6,7 +6,7 @@
  python3 (>= 3.6.0),
  pkg-config (>= 0.29),
  libboost-all-dev (>= 1.65.1),
- libndn-cxx-dev (>= 0.8.0),
+ libndn-cxx-dev (>= 0.8.1),
  libpcap-dev,
  libsystemd-dev,
  python3-sphinx (>= 1.6.0),