Log Message:
update to bozohttpd 20090417.

changes since bozohttpd 20080303:
        o  make bozohttpd internally more modular, preparing the way
           to handle more than one request per process
        o  fix http-auth, set $REMOTE_USER not $REMOTEUSER.  also fix
           cgi-bin with cvsweb, from Holger Weiss <holger@CIS.FU-Berlin.DE>
        o  fix an uninitialised variable use in daemon mode
        o  fix ssl mode with newer OpenSSL
        o  mmap large files in manageable sizes so we can serve any size file
        o  refactor url processing to handle query strings correctly for CGI
           from Sergey Katsev at Coyote Point
        o  add If-Modified-Since support, from Joerg Sonnenberger
           <joerg@netbsd.org>
        o  many more manual fixes, from NetBSD