Fix a bug in ra_serf where the computed repository root was not canonical, which caused working copy corruption.
Fix a bug in ra_serf where the computed repository root was not canonical,
which caused working copy corruption.

* subversion/libsvn_ra_serf/util.c
  (svn_ra_serf__discover_root): Canonicalize repos_root_str when
    discovering the repository root.

Patch by: Augie Fackler: <durin42@gmail.com>
(Tweaked by me.)

git-svn-id: f8a4e5e023278da1e04e203c7fe051e3c4285d88@869222 13f79535-47bb-0310-9956-ffa450edef68

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