Fix UnregisterClass behaviour with NULL hInstance.

since the preloader will need to add things to the list before
startup.

has been pre-reserved already.

by Mike McCormack).

Fixed D3DTOP_LERP.
Fixed some checkGLcall error messages.

outside of the actual data structure passed in.
Added some more debug traces.

Added 8000 Hz test as a typically supported format.
Added 12000 Hz test as a typically unsupported format.
Test error reporting better by testing unsupported formats.
Test using PCMWAVEFORMAT in place of WAVEFORMATEX.

constants (the Mesa bug) and VRally use the 0..95 indexes so fix it
- fix normalize for some HW VertexShader inputs
- trying to fix the combination of NV_texture_combine_4 with
texture_combine_EXT (impl of D3DTOP_DISABLE, D3DTOP_MODULATE for
NV_texture_combine_4)
- if shaders disabled declare to support 0 for MaxVertexShaderConst.

- try to use latency and MSG synchro for timeout (but as i'm not a
  sound expert don't expect too much)

the previous line.

the background. Keep sending the WM_CTLCOLORSTATIC notification as
Windows does.

fault on darwin/ppc.

Improve FTP LIST parsing.

Try to reserve everything above 0x80000000 on startup.