Fix git repo URL

Change-Id: Icff04fead6aa3e82a1f6bc5f367cb4a82dd7895a
diff --git a/jjb/onos/onos-buck-gerrit.yaml b/jjb/onos/onos-buck-gerrit.yaml
index 71629cb..0bc34e0 100644
--- a/jjb/onos/onos-buck-gerrit.yaml
+++ b/jjb/onos/onos-buck-gerrit.yaml
@@ -10,7 +10,7 @@
       script-path: tools/build/jenkins/onos-buck-gerrit
       scm:
         - lf-infra-gerrit-scm:
-            git-url: '$GIT_URL'
+            git-url: '$GIT_URL'/onos
             refspec: '$GERRIT_REFSPEC'
             branch: 'master'
             submodule-recursive: '{submodule-recursive}'