Fix issue #3079: use pools correctly.
Fix issue #3079: use pools correctly.

* subversion/svnsync/main.c
  (replay_rev_finished): Don't clear pool too early.  Use subpool
    where possible.


git-svn-id: f8a4e5e023278da1e04e203c7fe051e3c4285d88@869069 13f79535-47bb-0310-9956-ffa450edef68

YueLinHo/Subversion,wbond/subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,wbond/subversion,YueLinHo/Subversion,wbond/subversion,wbond/subversion,YueLinHo/Subversion,wbond/subversion,YueLinHo/Subversion,YueLinHo/Subversion,wbond/subversion,wbond/subversion