translation update: ja by yoichi

git-svn-id: http://svn.osgeo.org/qgis/trunk/qgis@13803 c8812cc2-4d05-0410-92ff-de0c093fc19c

Author: macho

i18n/qgis_ja.ts

@@ -5405,7 +5405,7 @@ You are seeing this message most likely because you have no DISPLAY environment
     <message>
         <location filename="../src/app/qgisapp.cpp" line="2503"/>
         <source>Use QNetworkAccessManager instead of QgsHttpTransaction (including caching and dynamic authentication to website and proxies)</source>
-        <translation type="unfinished"></translation>
+        <translation>QgsHttpTransactionの代わりに QNetworkAccessManagerを使います(キャッシングとウェッブサイトとプロキシのダイナミック認証を含みます)</translation>
     </message>
     <message>
         <location filename="../src/app/qgisapp.cpp" line="2644"/>