bug 451 clone pyangbind from a fork that solves empty yang type error

Change-Id: Iabd6926a7bbe532828650f71f2848ca37f37771c
Signed-off-by: tierno <alfonso.tiernosepulveda@telefonica.com>
diff --git a/Makefile b/Makefile
index 5f3b235..0d4ff59 100644
--- a/Makefile
+++ b/Makefile
@@ -82,8 +82,8 @@
 	tox -e build
 
 pyangbind: pyang
-	git clone https://github.com/robshakir/pyangbind
-	cd pyangbind; python setup.py --command-packages=stdeb.command bdist_deb; cd ..
+	git clone https://github.com/alf-tierno/pyangbind
+	cd pyangbind; git checkout issue151; python setup.py --command-packages=stdeb.command bdist_deb; cd ..
 	mkdir -p deb_dist
 	cp pyangbind/deb_dist/*.deb deb_dist