unlock yang tools repo

Change-Id: I8db9be812e5a5c38336f457da6943a7ec923053d
diff --git a/jjb/onos/onos-yang-tools-release-build.sh b/jjb/onos/onos-yang-tools-release-build.sh
index 2e3382b..b029e7f 100644
--- a/jjb/onos/onos-yang-tools-release-build.sh
+++ b/jjb/onos/onos-yang-tools-release-build.sh
@@ -24,6 +24,9 @@
 # get the sources
 git checkout $GERRIT_BRANCH
 
+# temp workaround to unlock the repo as Jenkins user
+ssh -p 29418 gerrit.onosproject.org projectlock unlock onos-yang-tools master
+
 # sanity check: does the tag already exist?
 if git rev-parse -q --verify "refs/tags/${YANGTOOLS_VERSION}"; then
   echo "${YANGTOOLS_VERSION} tag already exists"