Turns out that svn_client__repos_location_segments is too general to correctly implement any shortcuts.
Turns out that svn_client__repos_location_segments is too general to
correctly implement any shortcuts.

Reverting r1494966, r1496886.

* subversion/libsvn_client/ra.c
  (svn_client__repos_location_segments): revert optimization for "/"

git-svn-id: f8a4e5e023278da1e04e203c7fe051e3c4285d88@1496955 13f79535-47bb-0310-9956-ffa450edef68

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