[fpc-pascal] TProxyStream.Check always raises error.

[Sven Barth]

Am 05.01.2021 um 14:30 schrieb Virgo Pärna via fpc-pascal:
> 	Is there any reason, why TProxyStream.Check always raises
> Exception without checking, if err = S_OK (ISteam call succeeded).
> TOleStream overrides this Check to use OleCheck, which handles it. But
> if Check needs to be overrided for it to be useful, shouldn't Check just
> be abstract?
>
I made it abstract in revision 48097.

Regards,
Sven