BUG: dmri_transpose_bvecs: fixed bug
BUG: dmri_transpose_bvecs: fixed bug

Former-commit-id: 0e805cf23efe15be13f951057398539cebcc70b4
Former-commit-id: 4e6f34d28a332592d607fe8d8950dfe4382d22e9
3324fr/spinalcordtoolbox,3324fr/spinalcordtoolbox,3324fr/spinalcordtoolbox,3324fr/spinalcordtoolbox,3324fr/spinalcordtoolbox,3324fr/spinalcordtoolbox,3324fr/spinalcordtoolbox