[Translators] updated japanese po file

[Rémi Denis-Courmont]

	Hello Fumio-san,

Le mercredi 17 août 2011 18:02:10 Fumio Nakayama, vous avez écrit :
> Hello,
> 
> It has not been updated on the git repository.
> Are there any problem to update the repository?
> Please commit the latest ja.po file.

Woops. Sorry about that. This is fixed.

-- 
Rémi Denis-Courmont
http://www.remlab.net/
http://fi.linkedin.com/in/remidenis