fix trackconfig for newer version of git
fix trackconfig for newer version of git

the message from git status is different

seankelly/buildbot-infra,buildbot/buildbot-infra,buildbot/buildbot-infra,seankelly/buildbot-infra,djmitche/buildbot-infra,djmitche/buildbot-infra,djmitche/buildbot-infra,seankelly/buildbot-infra,buildbot/buildbot-infra