Fix a comment.
Fix a comment.

* subversion/libsvn_wc/adm_crawler.c
  (report_revisions_and_depths): Fix the doc string of this function
   to note that we do not use TRAVERSAL_INFO anymore and we achieve the
   same using EXTERNAL_FUNC callback, since r879231.


git-svn-id: f8a4e5e023278da1e04e203c7fe051e3c4285d88@947610 13f79535-47bb-0310-9956-ffa450edef68

YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,wbond/subversion,YueLinHo/Subversion,YueLinHo/Subversion,wbond/subversion,wbond/subversion,wbond/subversion,YueLinHo/Subversion,YueLinHo/Subversion,wbond/subversion,YueLinHo/Subversion,wbond/subversion,wbond/subversion