Follow-up from r17318: Update the Norwegian messages.
Follow-up from r17318: Update the Norwegian messages.

* subversion/po/nb.po: Updated four fuzzies.

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