Resolve a minor memory leak against pre 1.5 servers when running update like operations using ra-serf.
Resolve a minor memory leak against pre 1.5 servers when running update
like operations using ra-serf.

* subversion/libsvn_ra_serf/update.c
  (make_update_reporter): Allocate depth filter in the result pool instead
    of the session pool.


git-svn-id: f8a4e5e023278da1e04e203c7fe051e3c4285d88@1668320 13f79535-47bb-0310-9956-ffa450edef68

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