[PATCH 6/8] mfplat: Add support for GUID attributes.

[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=49420

Your paranoid android.


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

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

=== w7u (32 bit report) ===

mfplat:
099c:mfplat: unhandled exception c0000005 at 25FF9090

=== debian9 (32 bit Chinese:China report) ===

mfplat:
mfplat.c:2046: Test failed: Unexpected refcount 1.
Unhandled exception: page fault on read access to 0x00000009 in 32-bit code (0x7e5ce92a).

Report errors:
mfplat:mfplat crashed (c0000005)

=== debian9 (64 bit WoW report) ===

propsys:
propsys.c:801: Test failed: res=239
propsys.c:804: Test failed: res=-239