[translate/translate] cefe3c: Use target if unit is translated.

[Friedel W. <fr...@tr...>]

  Branch: refs/heads/master
  Home:   https://github.com/translate/translate
  Commit: cefe3c2306a16760d0ab1632dd85363b03563ef2
      https://github.com/translate/translate/commit/cefe3c2306a16760d0ab1632dd85363b03563ef2
  Author: Friedel Wolff <fr...@tr...>
  Date:   2012-05-18 (Fri, 18 May 2012)

  Changed paths:
    M translate/tools/podebug.py
    M translate/tools/test_podebug.py

  Log Message:
  -----------
  Use target if unit is translated.

This fixes bug 2175.