ndn-cxx: Update to the latest dev release

Change-Id: Ie51e6decf7cc7c864d64f827c790f05a7cc3fc11
diff --git a/ndn-cxx/Makefile b/ndn-cxx/Makefile
index 8eeb435..32d5eca 100644
--- a/ndn-cxx/Makefile
+++ b/ndn-cxx/Makefile
@@ -2,13 +2,13 @@
 GIT_URL=https://github.com/named-data/ndn-cxx.git
 
 # Tag name or commit hash for checkout
-GIT_VERSION=895395f7f666445712171bb7b7e82387682b3c84
+GIT_VERSION=3b54e855980450677030240c9d83681d595c5643
 
 # Package name
 NAME=ndn-cxx
 
 # Package version
-VERSION=0.3.1-3-g895395f
+VERSION=0.3.1-13-g3b54e85
 
 # PPA version
 PPA_VERSION=1