fix translation for Permission

fixed #12

Author: koron

src/po/ja.po

@@ -16,7 +16,7 @@ msgstr ""
 "Project-Id-Version: Vim 7.4\n"
 "Report-Msgid-Bugs-To: \n"
 "POT-Creation-Date: 2016-01-25 23:17+0900\n"
-"PO-Revision-Date: 2016-01-26 00:45+0900\n"
+"PO-Revision-Date: 2016-01-26 01:12+0900\n"
 "Last-Translator: MURAOKA Taro <[email protected]>\n"
 "Language-Team: vim-jp (https://github.com/vim-jp/lang-ja)\n"
 "Language: Japanese\n"
@@ -1683,7 +1683,7 @@ msgid "[File too big]"
 msgstr "[ファイル過大]"
 
 msgid "[Permission Denied]"
-msgstr "[認可がありません]"
+msgstr "[権限がありません]"
 
 msgid "E200: *ReadPre autocommands made the file unreadable"
 msgstr "E200: *ReadPre autocommand がファイルを読込不可にしました"