BUG: Fix typo errors in SuperBuild.cmake

Use PYTHON_LIBRARY instead of DPYTHON_LIBRARY
Use PYTHON_INCLUDE_DIR instead of DPYTHON_INCLUDE_DIR

SuperBuild.cmake

@@ -391,8 +391,8 @@ ExternalProject_Add(${proj}
     -DCTK_KWSTYLE_EXECUTABLE:FILEPATH=${CTK_KWSTYLE_EXECUTABLE}
     -DDCMTK_DIR:PATH=${DCMTK_DIR} # FindDCMTK expects DCMTK_DIR
     -DVTK_DIR:PATH=${VTK_DIR}     # FindVTK expects VTK_DIR
-    -DPYTHON_INCLUDE_DIR:PATH=${DPYTHON_INCLUDE_DIR}    # FindPythonQt expects PYTHON_INCLUDE_DIR
-    -DPYTHON_LIBRARY:FILEPATH=${DPYTHON_LIBRARY}        # FindPythonQt expects PYTHON_LIBRARY
+    -DPYTHON_INCLUDE_DIR:PATH=${PYTHON_INCLUDE_DIR}    # FindPythonQt expects PYTHON_INCLUDE_DIR
+    -DPYTHON_LIBRARY:FILEPATH=${PYTHON_LIBRARY}        # FindPythonQt expects PYTHON_LIBRARY
     -DPYTHONQT_INSTALL_DIR:PATH=${PYTHONQT_INSTALL_DIR} # FindPythonQt expects PYTHONQT_INSTALL_DIR
   SOURCE_DIR ${CMAKE_CURRENT_SOURCE_DIR}
   BINARY_DIR ${CMAKE_BINARY_DIR}/CTK-build