[PATCH 1/2] dlls/oleaut32/tests: use correct integral type

[Marvin]

Hi,

While running your changed tests, I think I found new failures.
Being a bot and all I'm not very good at pattern recognition, so I might be
wrong, but could you please double-check?

Full results can be found at:
https://testbot.winehq.org/JobDetails.pl?Key=110501

Your paranoid android.


=== w1064v1809 (testbot log) ===

WineRunTask.pl:error: The previous 1 run(s) terminated abnormally