Re: quartz/tests: Fix compilation on systems that don't support nameless structs.

[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
http://testbot.winehq.org/JobDetails.pl?Key=18512

Your paranoid android.

=== WNT4WSSP6 (32 bit filtermapper) ===
filtermapper.c:96: Test failed: CoCreateInstance failed with 80040154
filtermapper.c:233: Test failed: CoCreateInstance failed with 80040154
filtermapper.c:347: Test failed: CoCreateInstance failed with 80040154
filtermapper.c:405: Test failed: CoCreateInstance failed with 80040154