[PATCH 4/4] widl: Size of an encapsulated union doesn't include the tag.

[Huw Davies]

On Tue, Apr 10, 2018 at 08:30:29PM -0500, Zebediah Figura wrote:
> This was an inconsistency I noticed while testing the previous patches.

Wine's rpcrt4 does the right thing here, so we were in effect allocating
too much memory.

Signed-off-by: Huw Davies <huw at codeweavers.com>