[PATCH] mfplat/tests: Fix the trailing '\n's in ok() messages.

[Marvin]

Hi,

While running your changed tests on Windows, 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=49178

Your paranoid android.


=== wxppro (32 bit report) ===

mfplat:
0b40:mfplat: unhandled exception c0000005 at 2F2E2E2F