ndn-tools: Fix ndnchunks package

Change-Id: I9dba439d01d929b549ed3b9ab4e667bd22f9f3f9
diff --git a/ndn-tools/Makefile b/ndn-tools/Makefile
index 3fcd9d9..0388f9f 100644
--- a/ndn-tools/Makefile
+++ b/ndn-tools/Makefile
@@ -11,6 +11,6 @@
 VERSION=0.6.3-9-release-0.6.3
 
 # PPA version
-PPA_VERSION=2
+PPA_VERSION=3
 
 include ../packaging.mk