Improve an error message.
Improve an error message.

* subversion/libsvn_ra_neon/session.c
  (parse_url): Give more details, including the URL itself, in the error
    message when URL parsing fails.


git-svn-id: f8a4e5e023278da1e04e203c7fe051e3c4285d88@871941 13f79535-47bb-0310-9956-ffa450edef68

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