* subversion/include/private/svn_diff_tree.h
  (svn_diff__tree_processor_reverse_create): Constify argument.

* subversion/libsvn_diff/diff_tree.c
  (reverse_tree_baton_t): Constify variable.
  (svn_diff__tree_processor_reverse_create): Constify argument.


git-svn-id: https://svn.apache.org/repos/asf/subversion/trunk@1440694 13f79535-47bb-0310-9956-ffa450edef68