Changes with nginx 0.7.47 01 Apr 2009

    *) Bugfix: nginx could not be built on FreeBSD 6 and early versions;
       the bug had appeared in 0.7.46.

    *) Bugfix: nginx could not be built on MacOSX; the bug had
       appeared in 0.7.46.

    *) Bugfix: if the "max_size" parameter was set, then the cache manager
       might purge a whole cache; the bug had appeared in 0.7.46.

    *) Change: a segmentation fault might occur in worker process, if the
       "proxy_cache"/"fastcgi_cache" and the "proxy_cache_valid"/
       "fastcgi_cache_valid" were set on different levels; the bug had
       appeared in 0.7.46.

    *) Bugfix: a segmentation fault might occur in worker process, if a
       request was redirected to a proxied or FastCGI server via error_page
       or try_files; the bug had appeared in 0.7.44.