Japanese translation updates.
Japanese translation updates.

* subversion/po/ja.po: Fix a typo: "svn:external" should be
  "svn:externals".
  Now ja.po has 1670 translated messages and 1 fuzzy entry against r27227
  (Emacs PO-mode status: "1670t+1f+350o").


git-svn-id: f8a4e5e023278da1e04e203c7fe051e3c4285d88@867329 13f79535-47bb-0310-9956-ffa450edef68

YueLinHo/Subversion,wbond/subversion,wbond/subversion,wbond/subversion,YueLinHo/Subversion,YueLinHo/Subversion,wbond/subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,wbond/subversion,wbond/subversion,YueLinHo/Subversion,wbond/subversion