Fix issue when .git file has absolute path
Fix issue when .git file has absolute path

tombevers/grumphp,phpro/grumphp,Big-Shark/grumphp,janvernieuwe/grumphp,veewee/grumphp,tombevers/grumphp,Big-Shark/grumphp,phpro/grumphp,veewee/grumphp,janvernieuwe/grumphp