BUG: Fix largestIndexStop in Spectra1DSupportWindowImageFilter.
BUG: Fix largestIndexStop in Spectra1DSupportWindowImageFilter.

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