[7/9] WineD3D: Always load glFinish and glFlush from opengl32.dll

[H. Verbeet]

2008/8/3 Stefan Dösinger <stefan at codeweavers.com>:
> +/* glFinish and glFlush are always loaded from opengl32.dll, this the always have
> + * __stdcall calling convention
> + */
In theory WINAPI could be something else than __stdcall.