Follow-up to r1381814.
Follow-up to r1381814.

* subversion/libsvn_fs_fs/fs_fs.c
  (get_dir_contents): expanded_size may not be given

jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion