message: fixed wrong error method name
diff: @@ -99,7 +99,7 @@ impl<'a> MDArray<'a> {
  // `num_dimensions` is `0`, we can safely return an empty vector
  // `GDALMDArrayGetDimensions` does not state that errors can occur
  if num_dimensions > 0 && c_dimensions.is_null() {
  - return Err(_last_null_pointer_err("GDALGroupGetDimensions"));
  + return Err(_last_null_pointer_err("GDALMDArrayGetDimensions"));
  }
  let dimensions_ref = std::slice::from_raw_parts_mut(c_dimensions, num_dimensions);
  