Back to the drawing board: Revert non-test portions of flawed issue #4355
work made in r1469515 and r1469982. See
http://svn.haxx.se/dev/archive-2013-04/0443.shtml

* subversion/include/private/svn_client_private.h
* subversion/libsvn_client/log.c
* subversion/libsvn_client/ra.c


git-svn-id: https://svn.apache.org/repos/asf/subversion/trunk@1470566 13f79535-47bb-0310-9956-ffa450edef68