document one difference in native/builtin behavior.

  undocumented message 0x460.
- Better debug output of undocumented message 0x45D.

Fixed bug where interpolation is done with data past end of buffer. A
proper fix would be to project the last sample based on the previous
two but that requires significant changes.
Added TRACE and WARN where needed.

- Make TOOLBAR_CalcToolbar and TOOLBAR_DrawButton not rely on "magic
  numbers" and calculate sizes and positions more like native.

standard APIs instead.

instead of CreateFileW ones (based on a patch by Eric Pouech).

- better segments Load and ParseDescriptor behaviors

inherit debug options.
Start deprecating the --debugmsg option.

limit the depth to 4bpp now.

SECURITY_ATTRIBUTES pointer.

Do not pass winebuild escaped options to the compiler.

resizing a window.

WINETEMP and WINETMP instead, like we already do for PATH.

process.

properly.
Fixed a couple of races with the animation thread.

- Remove unneeded include.
- Fix TEXT define.
- Fix tabs.
- Small optimisation in DrawInsert.