Regenerate Japanese HTML files.

Sorry for SPAM.  I forgot to update ja.xml first so the previous
transformation ended up in empty context lines.  Thank Hiroaki KAWAI
<hawk@bcl.t.u-tokyo.ac.jp> for pointing this out.


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@97171 13f79535-47bb-0310-9956-ffa450edef68