BUG: register_to_template: fixed typo that prevented to set flag -cpu-nb
BUG: register_to_template: fixed typo that prevented to set flag -cpu-nb

Former-commit-id: 882df3c189fcb9b05496afe76e6326982ce5fc3e [formerly 375af639b06d228a2ffb1c1c9a07ad45577a40a9]
Former-commit-id: 89ff04d125f9c91607d82211efb256166395dc28
Former-commit-id: 67a2956e54c3902a399d9f73ce6f976468027bc7
neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox