Fixed compilation on NetBSD 10. NetBSD 10 changed struct kevent's udata type from "intptr_t" to "void *", similarly to how it is defined on other systems. This breaks compilation, since intptr_t is assumed on NetBSD. Fix is to limit special intptr_t handling to NetBSD versions before 10.0. To simplify testing, relevant definitions are moved from configure to code (which seems to be the right thing anyway).

/*
 * Copyright (C) Igor Sysoev
 * Copyright (C) Nginx, Inc.
 */


#ifndef _NGX_LINUX_H_INCLUDED_
#define _NGX_LINUX_H_INCLUDED_


ngx_chain_t *ngx_linux_sendfile_chain(ngx_connection_t *c, ngx_chain_t *in,
    off_t limit);


#endif /* _NGX_LINUX_H_INCLUDED_ */