Remove an access baton from client copy.
Remove an access baton from client copy.

* subversion/libsvn_client/copy.c
  (repos_to_wc_copy_locked): New, copied from the second half of
   repos_to_wc_copy.
  (repos_to_wc_copy): Acquire and release locks instead of opening an
   access baton, moved locked part to repos_to_wc_copy_locked.

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