BUG: Fixed #2258 (straightening with nurbs) (#2292)
BUG: Fixed #2258 (straightening with nurbs) (#2292)



Former-commit-id: a9d57c9d1e6d4101f6e3ec16e6cd3ee5872ba88e
neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox