[ofw] Opensm & WinMad: a race, cauing BSOD722

[Hefty, Sean]

> I swapped the HCA with one from another system, but still see the error.  The
> OFED 3.0 release works fine.  I will try backing out my changes and testing
> with the head of the svn tree tomorrow or early next week, though I don't see
> why the changes would affect loading the driver.

Ok,  my build went faster than I expected.  I was able to apply this patch to the 3.0 code release and verify that it at least doesn't crash the system.

- Sean