On the fsfs-format7 branch:  Minor optimization in ID serialization code.

* subversion/libsvn_fs_fs/id.c
  (svn_fs_fs__id_serialize): replace the empty push/pop pair by add_leaf

git-svn-id: https://svn.apache.org/repos/asf/subversion/branches/fsfs-format7@1462011 13f79535-47bb-0310-9956-ffa450edef68