failing gdiplus:matrix tests

[James Hawkins]

Hi Nikolay,

Tests you added in the following commit fail on all platforms.  Did
you run the tests in Windows?

commit d7999a008be5d7e95fcd86019adc79b0359ae8d4
Author: Nikolay Sivov 
Date:   Tue Jul 8 01:32:36 2008 +0400

gdiplus: GdipInvertMatrix implementation with tests.