Added comment.
Added comment.

Suggested by: kfogel

* subversion/libsvn_ra_serf/replay.c
  (svn_ra_serf__replay_range): Add comment on why we need the status_code
   variable.



git-svn-id: f8a4e5e023278da1e04e203c7fe051e3c4285d88@871066 13f79535-47bb-0310-9956-ffa450edef68

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