Follow-up to issue #3896 reintegrate fixes in r1131095.
Follow-up to issue #3896 reintegrate fixes in r1131095.

* subversion/libsvn_client/merge.c

  (filter_self_referential_mergeinfo): Reparent the ra_session, if necessary,
   before continuing.


git-svn-id: f8a4e5e023278da1e04e203c7fe051e3c4285d88@1131160 13f79535-47bb-0310-9956-ffa450edef68

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