Add support for wave interface message where missing.

- AudioPath crash fix (don't use DSound APIs if buffer is null).
- Move generic functions to dmime_main.c for future reuse (from
  segment.c).
- IDirectMusicTempoTrack loading (many tempo case must be handled).
- IDirectMusicSegTriggerTrack loading implementation (now
  DMRF/DirectMusic References loading should be done).

Covers basic Win32 threading primitives, syslevels, the TEB and
pthreads vs kthreads.

Valtonen).

styles.

CreateDIBitmap expects.

- Semi stub for AudioPath Activate.
- IDirectMusicPerformance8::CreateAudioPath stub.
- Most of the IDirectMusicSegment8_[Set,Get]* (using header).
- Load of Streamer IDirectMusicSegment8 header.

real need to make these configurable.

instead of the drive label.

Keep support for --help, and --version when they are the only options
on the command line.

if passed *buffer value is NULL.

clipboard even if they are not the clipboard owners.

- a chained list bug
- thread-safe lists
- real close on CloseDown

from inside a Wine source tree.

HKLM\System\CurrentControlSet\Control\Session Manager\Environment.