[Mingw-users] Missing define in wingdi.h

[Lars I. I. <la...@st...>]

Hi!

I am porting a library from msvc to mingw and found a
missing define in wingdi.h.
Adding
#define PFD_SWAP_LAYER_BUFFERS      0x00000800
at line 248 fixed the problem.

Lars Ivar Igesund