DOC: add & to fslview line for PropSeg
DOC: add & to fslview line for PropSeg

Former-commit-id: 8032e182c6b1f6b36092ff8d1177ff9bcdbd3823 [formerly e5f21d7c0e7fcfdad4bb971257bd192c290e508b]
Former-commit-id: 0467d12c032f10077d1db4232f5570567063e20d
Former-commit-id: c1bc5bf0c03094c63d1e195e3e67bc16278b1635
neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox