psync: Update to the latest version in git

Change-Id: I97024b94a8ae9e989009e71fb8baeee9c4bd5b1e
diff --git a/libpsync/Makefile b/libpsync/Makefile
index c904edf..a508550 100644
--- a/libpsync/Makefile
+++ b/libpsync/Makefile
@@ -2,13 +2,13 @@
 GIT_URL=https://github.com/named-data/PSync.git
 
 # Tag name or commit hash for checkout
-GIT_VERSION=0.2.0
+GIT_VERSION=8ab7572247a74b1a0e9315a736db313a09f4d041
 
 # Package name
 NAME=libpsync
 
 # Package version
-VERSION=0.2.0
+VERSION=0.2.0-11-g8ab7572
 
 # PPA version
 PPA_VERSION=1