Follow-up to r1517472.
Follow-up to r1517472.

* subversion/libsvn_ra_serf/util.c
  (setup_serf_req): Update comment.


git-svn-id: f8a4e5e023278da1e04e203c7fe051e3c4285d88@1517478 13f79535-47bb-0310-9956-ffa450edef68

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