COMP: Missing patch for ITK_FUTURE_LEGACY_REMOVE

When : -DCMAKE_CXX_FLAGS:STRING=-DITK_FUTURE_LEGACY_REMOVE
is used the non-const Get##name() functions are not defined,
and use of the GetModifiable##name() must be used.

Change-Id: Id8950c81054bc0b7c54648b13b1425f83499c719
Merge topic 'COMPFixITK_FUTURE_LEGACY_REMOVE'

72aeffa COMP: Missing patch for ITK_FUTURE_LEGACY_REMOVE