[PATCH v2 0/1] MR1821: bcrypt: Use volatile type cast to zero magic values before free.

[Paul Gofman (＠gofman)]

The compiler may optimize out the assignment before free and then
second free on the bcrypt handle finds magic values in the freed memory.

--
  v2: bcrypt: Use SecureZeroMemory() to zero magic values before free.
 
https://gitlab.winehq.org/wine/wine/-/merge_requests/1821