Rearrange a bit of code to avoid casting away "const" and to keep data in tighter scope.
Rearrange a bit of code to avoid casting away "const" and to keep data
in tighter scope.

* subversion/libsvn_client/copy.c
  (wc_to_repos_copy): Rearrange.

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