OCSP stapling: iterate over all responder addresses. Previously only the first responder address was used per each stapling update. Now, in case of a network or parsing error, next address is used. This also fixes the issue with unsupported responder address families (ticket #1330).

# Copyright (C) Igor Sysoev
# Copyright (C) Nginx, Inc.


cat << END >> $NGX_AUTO_HEADERS_H

#ifndef $have
#define $have  1
#endif

END