French translation update for r38966.
French translation update for r38966.

* subversion/po/fr.po: po-update & a few fixes.

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