new inetmib1 test failures

[Juan Lang]

Hi James,

> It looks like these values aren't set on all systems (these are the
> results from the failing XP system):
>
> main.c:191: Test failed: expected 2, got 65539
> main.c:197: Test failed: expected 2, got 65539
> main.c:203: Test failed: expected 2, got 65539
>
> These are the results from a win2k machine:
>
> main.c:191: Test failed: expected 4, got 16777221
> main.c:197: Test failed: expected 4, got 16777221
> main.c:203: Test failed: expected 4, got 16777221

How odd.  I was surprised by the number of test failures, since I
wrote the tests on Windows XP (where they still pass for me.)  Thanks
for the reminder.  I'll relax the test from an == to a >=, which might
be surprising but is at least allowed according to RFC 1157.
--Juan