COMP: Fix unused variable warning in vtkSlicerMarkupsLogicTest3

From: Jean-Christophe Fillion-Robin <jchris.fillionr@kitware.com>

git-svn-id: http://svn.slicer.org/Slicer4/trunk@22370 3bd1e089-480b-0410-8dfb-8563597acbee
BUG: Update SimpleFilters for Marksup Fiducials

ceb1a61 ENH: Update single Point and index types for Markups
4241d7b ENH: update the filter's seed list to use Markups nodes

From: Bradley Lowekamp <blowekamp@mail.nih.gov>

git-svn-id: http://svn.slicer.org/Slicer4/trunk@22371 3bd1e089-480b-0410-8dfb-8563597acbee