GetOpenFileName, initialize it by zeros for 16/A cases.

- made some winmm APIs rely on the Unicode version for the core
  implementation (instead of Ansi flavor)

Added corresponding test.
Removed some tabs that slipped in with the last patch.

Remove unused buffer in deformat_string.

- Return the error code that the Msi* function returned when we quit.

the table because then we get conflicts and files not tracked or
cleaned up.

window.

- Don't allocate memory for fixed size structure.
- Remove a few non-tab indents, since the rest of the file uses tabbed
  indent.

- Use "cplopen" verb to execute .cpl files.

- run the message loop when waiting for threads or processes

- Change CoLockObjectExternal so that it does the correct action now
  and eliminate a fair few lines of now redundant code.
- Rename OLE32_Dll{Register,Unregister}Server to
  Dll{Register,Unregister}Server.

new one.

WM_ERASEBKGND message, it just sets the erase flag. With some tests
that show this behavior.

name collisions from causing custom actions to fail.

CurrentPath. Also add logic to get the source locations of a file if
it is not in a cabinet.

CreateCacheContainer{A,W}, FindFirstUrlCacheContainer{A,W},
FindNextUrlCacheContainer{A,W}.
Handle the case where the supplied buffer size is too small in
InternetQueryOption.

  need locking no longer have locking.
- Add special cases for the threads that join apartments but can't
  increase the refcount of the apartment.
- Free TLS storage on thread destruction (including releasing the
  apartment the thread is in, if any, and so making another test
  pass).