* subversion/libsvn_fs_fs/tree.c
  (fs_copied_from): Copy the result requested, so we don't need the
                    node to remain valid.  Don't lock the DAG cache.

git-svn-id: https://svn.apache.org/repos/asf/subversion/trunk@1648242 13f79535-47bb-0310-9956-ffa450edef68