[PATCH v2 0/1] MR4031: d3dx9: D3DXLoadMeshHierarchyFromXInMemory support empty mesh.

[Alistair Leslie-Hughes (＠alesliehughes)]

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  v2: d3dx9: D3DXLoadMeshHierarchyFromXInMemory support empty mesh.
 
https://gitlab.winehq.org/wine/wine/-/merge_requests/4031