More use of transitional accessor API for svn_wc_conflict_description2_t. 
More use of transitional accessor API for svn_wc_conflict_description2_t. 

* subversion/svn/conflict-callbacks.c
  (show_diff, show_conflicts, merge_prop_conflict, handle_text_conflict,
   handle_prop_conflict, handle_tree_conflict, conflict_func_interactive):
   Use the svn_client_conflict_get_* accessor macros. The only place left
   untouched is the fixup of desc->their_abspath in handle_prop_conflict().


git-svn-id: f8a4e5e023278da1e04e203c7fe051e3c4285d88@1682504 13f79535-47bb-0310-9956-ffa450edef68

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