[PATCH v3 0/3] MR1908: msi: pSignatureSettings uninitialized

[Philip Karlsson Gisslow (＠ripxorip)]

This field was not unitilized so it got a random value from
the stack causing a later crash when it was dereferenced in Wintrust
(SoftPubloadSignature).

--
  v3: Sends the correct pointer to memset

https://gitlab.winehq.org/wine/wine/-/merge_requests/1908