Sync patch for jp_JP/stable_kernel_rules.txt

Updated jp_JP/stable_kernel_rules.txt due to changes in the main version
of the file.

Also, this patch is already reviewed by Japanese translation community
called JF.

Signed-off-by: Tsugikazu Shibata <tshibata@ab.jp.nec.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>