update PO-Revision-Date to release

Author: koron

src/po/ja.po

@@ -15,7 +15,7 @@ msgstr ""
 "Project-Id-Version: Vim 8.0\n"
 "Report-Msgid-Bugs-To: \n"
 "POT-Creation-Date: 2017-07-03 23:05+0900\n"
-"PO-Revision-Date: 2016-09-10 21:20+0900\n"
+"PO-Revision-Date: 2017-07-12 20:45+0900\n"
 "Last-Translator: MURAOKA Taro <[email protected]>\n"
 "Language-Team: vim-jp (https://github.com/vim-jp/lang-ja)\n"
 "Language: Japanese\n"