Fix the pool lifetime for the CHANGES hash keys.
Fix the pool lifetime for the CHANGES hash keys.

Found by: hwright

* subversion/libsvn_delta/compat.c:
  (insert_change): dup the relpath key into the result pool


git-svn-id: f8a4e5e023278da1e04e203c7fe051e3c4285d88@1332508 13f79535-47bb-0310-9956-ffa450edef68

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