message: also include gdalwarper
diff: +/**
  + * includes as in gdal/autotest/cpp/test_include_from_c_file.c
  + */
  +
  #include "cpl_atomic_ops.h"
  #include "cpl_conv.h"
  #include "cpl_csv.h"
  #include "ogr_core.h"
  #include "ogr_srs_api.h"
  +/**
  + * extra includes
  + */
  +#include "gdalwarper.h"
  +
  /**
  * Type for a OGR error
  *
  