On the fsfs-format7 branch:  Fix an object life-time  issue.

* subversion/libsvn_fs_fs/cached_data.c
  (svn_fs_fs__rep_chain_length): copy data before clearing pool

git-svn-id: https://svn.apache.org/repos/asf/subversion/branches/fsfs-format7@1446857 13f79535-47bb-0310-9956-ffa450edef68