Fixing nfd dependency (require the most recent version of ndn-cxx)
diff --git a/nfd/Makefile b/nfd/Makefile
index 5ac8704..4596a06 100644
--- a/nfd/Makefile
+++ b/nfd/Makefile
@@ -11,6 +11,6 @@
 VERSION=0.2.0~rc0.1
 
 # PPA version
-PPA_VERSION=1
+PPA_VERSION=2
 
 include ../packaging.mk