nac: Update to the latest version

Change-Id: I17cf3ceb1f4a3b4aa0430e7189037086ec7529a1
diff --git a/name-based-access-control/Makefile b/name-based-access-control/Makefile
index 3a1e77e..a286941 100644
--- a/name-based-access-control/Makefile
+++ b/name-based-access-control/Makefile
@@ -2,15 +2,15 @@
 GIT_URL=https://github.com/named-data/name-based-access-control.git
 
 # Tag name or commit hash for checkout
-GIT_VERSION=61a8003
+GIT_VERSION=dddc19aef4cb67df70f74395aa3e38c2a49c4f79
 
 # Package name
 NAME=name-based-access-control
 
 # Package version
-VERSION=0.1.0-commit-61a8003
+VERSION=0.1.1-commit-dddc19a
 
 # PPA version
-PPA_VERSION=0
+PPA_VERSION=1
 
 include ../packaging.mk