Minor APR_ARRAY_IDX cleanup.
Minor APR_ARRAY_IDX cleanup.

* subversion/libsvn_client/copy.c
  (repos_to_wc_copy):  Use APR_ARRAY_IDX to retrieve an array element.

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