change dir in sct_launcher
change dir in sct_launcher


Former-commit-id: c8b51c72ad9c2cc7b0ffaa113adcdee17348cb49
neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox