Core: make ngx_connection_local_sockaddr() always assign address. Previously, this function checked for connection local address existence and returned error if it was missing. Now a new address is assigned in this case making it possible to call this function not only for accepted connections.

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


cat << END >> $NGX_AUTO_CONFIG_H

#ifndef $have
#define $have  0
#endif

END