defrag.py bug 20110912-1140

========= COMPLETE ===========
Remaining Fragmented Files:
Frags/unit Before:   188.04
Frags/unit After:    0.00
Improvement:         100.0 %
===============================
Traceback (most recent call last):
  File "/usr/sbin/defrag.py", line 518, in <module>
    run(opts[1][0], threshold, passes)
  File "/usr/sbin/defrag.py", line 424, in run
    for k in xrange(0,abs(passes)):
TypeError: integer argument expected, got float