BUG: ITKIONIFTI DEPENDS on ITKNIFTI

itkNiftiImageIO.h has

  #include <nifti1_io.h>

so other code that include's this header also need the ITKNIFTI
INCLUDE_DIRECTORIES to be available.

Change-Id: Ic3a32f049601acf4b3208abce8970bae8a56899d

Modules/IO/NIFTI/itk-module.cmake

@@ -3,9 +3,10 @@ set(DOCUMENTATION "This modules contains an ImageIO class to read or write the
 
 itk_module(ITKIONIFTI
   ENABLE_SHARED
+  DEPENDS
+    ITKNIFTI
   PRIVATE_DEPENDS
     ITKIOImageBase
-    ITKNIFTI
     ITKTransform
   TEST_DEPENDS
     ITKTestKernel