Both hgwebdir.cgi and webserve-dir.cgi are mbcs broken

[Dongsheng Song]

For mercurial:
When I use mbcs file name and logs, the hgwebdir.cgi DO NOT display
use same char encoding, see:
    http://www.foresee.com.cn:9999/hg/scratch

For bazaar:
webserve-dir.cgi DO NOT display mbcs logs correct, see:
    http://www.foresee.com.cn:9999/webserve/scratch

PS:
hg version:
    http://selenic.com/hg
    changeset:   4039:cc08d2543593
    tag:         tip
    user:        Matt Mackall <mpm at selenic.com>
    date:        Tue Jan 23 17:41:53 2007 -0600
    summary:     hgk: remove embedded nulls in descriptions

webserve version:
    http://goffredo-baroncelli.homelinux.net/bazaar/bazaar-webserve-dev/
    revno: 229
    committer: ghigo <ghigo at vs6154.areaserver.it>
    branch nick: bws-tmp
    timestamp: Sun 2006-12-31 10:48:46 +0100

Dongsheng Song