STYLE: Fix internal variable alignment in SliceSeries.
STYLE: Fix internal variable alignment in SliceSeries.

KitwareMedical/ITKUltrasound,thewtex/ITKUltrasound,thewtex/ITKUltrasound,KitwareMedical/ITKUltrasound,KitwareMedical/ITKUltrasound,thewtex/ITKUltrasound