minor bug fix to handle track files that are not properly terminated with an [Inf,Inf,Inf] triplet
minor bug fix to handle track files that are not properly terminated with an [Inf,Inf,Inf] triplet

MRtrix3/mrtrix3,MRtrix3/mrtrix3,MRtrix3/mrtrix3,MRtrix3/mrtrix3,MRtrix3/mrtrix3,MRtrix3/mrtrix3