* subversion/include/svn_fs.h
  (SVN_FS_CONFIG_FSFS_SHARD_SIZE): Document that this option is usually
                                   ignored. No functional change.


git-svn-id: https://svn.apache.org/repos/asf/subversion/trunk@1627958 13f79535-47bb-0310-9956-ffa450edef68