hgweb: fixed IE display problem on changelog page IE (v6.0) didn't seemed to comply to the 15% width on the left column of changelog display. Tested with IE v6.0 and Firefox 1.0.6.

#header#
    <title>#repo|escape# Changelog</title>
    <description>#repo|escape# Changelog</description>
    #entries%changelogentry#
  </channel>
</rss>