[PATCH 4/5] ole32: Get rid of casts in GUID serialization helper.

[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=62013

Your paranoid android.


=== debian10 (32 bit Chinese:China report) ===

ole32:
clipboard.c:1484: Test failed: got 800401d0
clipboard.c:1485: Test failed: got 0