* subversion/mod_dav_svn/repos.c
  (do_out_of_date_check): Following up on r1588772, use the transaction BASE
    revision for checks, not HEAD. The comparison between these is already
    handled in the merge phase and would make the behavior different between
    the different ra layers.


git-svn-id: https://svn.apache.org/repos/asf/subversion/trunk@1588778 13f79535-47bb-0310-9956-ffa450edef68