Remove unused S_ISDIR
Remove unused S_ISDIR

sourcefrog/librsync,dbaarda/librsync,librsync/librsync,librsync/librsync,sourcefrog/librsync,sourcefrog/librsync,dbaarda/librsync,librsync/librsync,dbaarda/librsync,librsync/librsync,dbaarda/librsync,sourcefrog/librsync