Created attachment 544756 [details] [diff] [review]
It uses __in and __out macros, not supported on mingw due to conflicts with GCC-provided headers.
Bas, ping. It's a similar patch to bug 670093, but for other part of code.
Comment on attachment 544756 [details] [diff] [review]
I'm not 100% sure about the __in/__out stuff, but r=me based on bug 670093.
Thanks for the review, pushed to m-i: