ra_serf: New comments, no functional changes.
ra_serf: New comments, no functional changes.

Suggested by: kfogel

* subversion/libsvn_ra_serf/auth.c
  (svn_ra_serf__handle_auth, handle_basic_auth): Add comments.


git-svn-id: f8a4e5e023278da1e04e203c7fe051e3c4285d88@871980 13f79535-47bb-0310-9956-ffa450edef68

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