[otrs-i18n] Update for fr.pm

[Yann Richard]

hi all,

I have updated the #917 bug for french translation:

    http://bugs.otrs.org/show_bug.cgi?id=917

I have send new patch to be apply to v1.51 (actual CVS HEAD)
of fr.pm

Thanks for commit in CVS for next release.

Regards,

    Yann Richard.