Follow-up to r1632689: Fix progress reporting in 'svnfsfs stats' command.

* subversion/libsvn_fs_fs/stats.c
  (svn_fs_fs__get_stats): Pass PROGRESS_BATON as progress batton, not 
   PROGRESS_FUNC.


git-svn-id: https://svn.apache.org/repos/asf/subversion/trunk@1647541 13f79535-47bb-0310-9956-ffa450edef68