Fixed memory leaks.

Fix the indentation of the while loop in TOOLBAR_AddStringW.

(thanks to Aric Stewart).

First pass implementation of UpdateIni.

GetCurrencyFormatA.

the combo box. Fixed a few MBCS issues with WM_GETTEXTLENGTH handling.

separate files. Split primary buffer and secondary buffer interfaces
into separate implementations. Made the primary buffer state part of
the dsound object, so primary buffer objects can be created and
refcounted independently. Made the interfaces follow COM aggregation
rules more closely. Converted the dsound critical section to a R/W
lock to improve potential remixing concurrency. Fixed various bugs and
refcounting issues.

- Improve traces.

- check for sockaddr being NULL.
- hackish implementation of WSADuplicateSocket.

- Fix TranslateMessage return code.
- Make GetKeyState work properly for apps that test 0x80 instead of
  0x8000.

Fixed handling of DC origin in X11 driver.