* subversion/libsvn_ra_serf/commit.c
  (abort_edit): Clear arctivity and txn url, to avoid deleting a txn
    twice if a buggy caller calls abort twice.


git-svn-id: https://svn.apache.org/repos/asf/subversion/trunk@1607104 13f79535-47bb-0310-9956-ffa450edef68