Some being more cosmetic than others.
-- v3: windows.media.speech: Assume that async_run_work cannot be NULL in IAsyncInfo_Close. windows.media.speech: Simplify error handling in async_operation_create. windows.media.speech: Initialize HRESULT variables consistently. windows.media.speech: Return E_ILLEGAL_METHOD_CALL from get_ErrorCode. windows.media.speech: Return operation error from IAsyncOperation_GetResults.