Update copyright year in the about dialog to 2015

The copyright year in the about dialog is updated from 2014 to 2015.
No behavior change is intended.

BUG=none
TEST=compile

git-svn-id: https://mozc.googlecode.com/svn/trunk@484 a6090854-d499-a067-5803-1114d4e51264
4 files changed
tree: 0fe4024b5b38213463ec1014cd4322e7bfd93060
  1. src/