Changes with nginx 0.6.10 03 Sep 2007

    *) Feature: the "open_file_cache", "open_file_cache_retest", and
       "open_file_cache_errors" directives.

    *) Bugfix: socket leak; bug appeared in 0.6.7.

    *) Bugfix: a charset set by the "charset" directive was not appended to
       the "Content-Type" header set by $r->send_http_header().

    *) Bugfix: a segmentation fault might occur in worker process if
       /dev/poll method was used.