ra_neon: Fix issue #3167: when the repository is on the root of the server,  make sure we pass "/" as our relative path in the request.
ra_neon: Fix issue #3167: when the repository is on the root of the server, 
make sure we pass "/" as our relative path in the request.

* subversion/libsvn_ra_neon/util.c
  (path_from_url): return "/" instead of "" when the absolute url has no 
   relative path after the hostname section.


git-svn-id: f8a4e5e023278da1e04e203c7fe051e3c4285d88@870447 13f79535-47bb-0310-9956-ffa450edef68

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