riched20: Added windowless text services tests (resent)

[Austin Lund]

I haven't heard anything about this patch.

I know it is large, but the function headers and wrappers are necessary.

Is there anything in particular wrong with it?

Is there anything that could make it more obviously correct?

2008/7/7 Austin Lund <austin.lund at gmail.com>:
> Changes from previously sent patch:
>
> Removed typeof() from DEFINE_THISCALL_WRAPPER.
> Simplified the ITextHost QueryInterface function.
> Removed code that allocated memory for the IUnknown interface.
>