Silence a compiler warning.
Silence a compiler warning.

* subversion/libsvn_wc/copy.c
  (copy_or_move): Add a 'default' case.

Discussed with: rhuijben

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