BUG: C++11 ITK constants were not defined.
BUG: C++11 ITK constants were not defined.

We define these constants if itkMacro.h has not already defined them.

jeanyves-yang/niral_utilities,NIRALUser/niral_utilities,juanprietob/niral_utilities,NIRALUser/niral_utilities,NIRALUser/niral_utilities,juanprietob/niral_utilities,juanprietob/niral_utilities,jeanyves-yang/niral_utilities