Fix bundle repos to use an index tuple consistent with revlogng The bundle repo code was adding a field to the index tuple, which confused the revlogng changes. This creates a new dict instead to maintain the extra bundle info.

#header#
    <title>#repo|escape#: #file|escape# history</title>
    <description>#file|escape# revision history</description>
    #entries%filelogentry#
  </channel>
</rss>