HOWTO: update ja_JP/HOWTO with latest changes

Here is another sync patch of Documentation/ja_JP/HOWTO

Japanese developer sent me some cosmetic changes and also follow
changes of HOWTO
    Cross reference URL (sosdg.org/qiyong/lxr)
    known_regression explanations on kernel dev. process

Signed-off-by: Tsugikazu Shibata <[email protected]>
Cc: stable <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>

1 file changed