COMP: fix constness following InsightSoftwareConsortium/ITK@42bfdd5a4ca8c51211dd2ee2c42cc070a064b925
COMP: fix constness following InsightSoftwareConsortium/ITK@42bfdd5a4ca8c51211dd2ee2c42cc070a064b925

SimonRit/RTK,SimonRit/RTK,SimonRit/RTK,SimonRit/RTK