Eliminate an unnecessary RA API call in the conflict resolver.
Eliminate an unnecessary RA API call in the conflict resolver.

* subversion/libsvn_client/conflicts.c
  (find_deleted_rev_baton): New fields deleted_rev_author and result_pool.
  (find_deleted_rev): Fetch the revision author while scanning the log.
  (describe_local_none_node_change): Ask svn_ra_get_log2() for revprops
   and look up the author in find_deleted_rev_baton, rather than calling
   svn_ra_rev_prop() to obtain the author.


git-svn-id: f8a4e5e023278da1e04e203c7fe051e3c4285d88@1736320 13f79535-47bb-0310-9956-ffa450edef68

YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion