BUG: fixed rotation issue of the warping field for straightening. Fixed #419
BUG: fixed rotation issue of the warping field for straightening. Fixed #419

Former-commit-id: daa4feba6dc545b77f7892261c2199f08a3df512
Former-commit-id: f34f1418b14c34a638a54fb460b7ebe3f5623ca6
3324fr/spinalcordtoolbox,3324fr/spinalcordtoolbox,3324fr/spinalcordtoolbox,3324fr/spinalcordtoolbox,3324fr/spinalcordtoolbox,3324fr/spinalcordtoolbox,3324fr/spinalcordtoolbox