if (z0 == page->h[a][0] && p0 == 0
&& z1 == page->n[a] - page->h[a][1] && p1 == 0)
{
- struct render_page *page_rw = (struct render_page *) page;
+ struct render_page *page_rw = CONST_CAST (struct render_page *, page);
page_rw->ref_cnt++;
return page_rw;
}