Small fix for 64-bit linux systems that don't install in lib64.
Small fix for 64-bit linux systems that don't install in lib64.

CIBC-Internal/itk,CIBC-Internal/itk,CIBC-Internal/itk,CIBC-Internal/itk,CIBC-Internal/itk,CIBC-Internal/itk,CIBC-Internal/itk,CIBC-Internal/itk