Dav: added checks for chunked to body presence conditions. These checks were missed when chunked support was introduced. And also added an explicit error message to ngx_http_dav_copy_move_handler() (it was missed for some reason, in contrast to DELETE and MKCOL handlers).

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


cat << END >> $NGX_AUTO_CONFIG_H

#ifndef $have
#define $have  $value
#endif

END