message: don't use VTK_USE_FILE for VTK >= 8.90
diff: @@ -84,4 +84,8 @@ if(NOT ${VTK_COMPILE_STATUS})
  endif()
  set(HAVE_VTK ON)
  +if (VTK_VERSION VERSION_LESS "8.90.0")
  message(STATUS "Found VTK ${VTK_VERSION} (${VTK_USE_FILE})")
  +else()
  + message(STATUS "Found VTK ${VTK_VERSION}")
  +endif()
  