HTTP/3: split header parser in two functions. The first one parses pseudo-headers and is analagous to the request line parser in HTTP/1. The second one parses regular headers and is analogous to the header parser in HTTP/1. Additionally, error handling of client passing malformed uri is now fixed.

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


cat << END >> $NGX_AUTO_HEADERS_H

#ifndef $have
#define $have  1
#endif

END