COMP: Copy-paste error

CID 1080818 The copied code will not have its intended effect.
In itkSubsampleTest3(int, char **): A copied piece of code is
inconsistent with the original

Change-Id: I7961d1f88d1fce688d0cf3ae1720eb21fe094fde
Merge topic 'Coverity_itkSubsampleTest3'

37ce2d8 COMP: Copy-paste error