correct offsets, after the function data, so add cFuncs to the offsets
in MSFT_DoVars.

Resolve referenced types for variables.
Fixes initialisation of the dbgrid32 OCX.

Implement CryptBinaryToStringA and CryptStringToBinaryA based on Kai
Blin's base64 encoder/decoder.

Always check for open and close events.
Send WM_APP message to thread to terminate it rather than TerminateThread.
Fix CreateThread/waveOutOpen race by waiting for background thread to
run before waveOutOpen is called.
Add more non-hardware supported formats.  There is a bug in wave
mapper GetPosition when multiple headers are used and this helps
trigger it.