Update to German translation
Update to German translation

* subversion/po/de.po
  Replace use of 'diff' in German translation with 'Vergleich', not in rarely
  visible error messages

jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion