[PATCH] rpcrt4: NdrServerCallAll() is 64-bit only.

[change_serge_150609 at gautherie.fr]

On 27/04/2020 02:51, Zebediah Figura wrote:

> The function is present on arm64 as well, according to SDK import
> libraries, so presumably -arch=win64 should be used instead.

Yeah, I suggested that on ReactOS, but I couldn't confirm it.
Thanks! Done.

> Presumably the corresponding code should be guarded with #ifdef _WIN64.

MS .h has a comment only and no #ifdef :-/ This is why I prefer not to 
do that (myself).
"Instead", I added a test ;-)

--