COMP: Fix configuration ITK_WRAP_PYTHON is not defined.

For

CMake Error at
src/Filtering/BinaryMathematicalMorphology/DilateABinaryImage/CMakeLists.txt:48
(if):
  if given arguments:

  "AND" "EXISTS" "/home/matt/src/ITKExamples/src/Filtering/BinaryMathematicalMorphology/DilateABinaryImage/Code.py"

Unknown arguments specified

Change-Id: I4324d449a924832a32f5814e168069ea372e8e24
Merge "COMP: Fix configuration ITK_WRAP_PYTHON is not defined."