[openssl/openssl] d6e3a2: property: make cache flushing slight less determin...

[Pauli]

  Branch: refs/heads/openssl-3.0
  Home:   https://github.com/openssl/openssl
  Commit: d6e3a2c15929a793d15e034f81cca19e1808efdc
      https://github.com/openssl/openssl/commit/d6e3a2c15929a793d15e034f81cca19e1808efdc
  Author: Pauli <pauli at openssl.org>
  Date:   2022-08-17 (Wed, 17 Aug 2022)

  Changed paths:
    M crypto/property/property.c

  Log Message:
  -----------
  property: make cache flushing slight less deterministic

If there is no timer available to seed the stochastic flushing, revert to a
global seed that gets updated each flush.

Reviewed-by: Tomas Mraz <tomas at openssl.org>
Reviewed-by: Matt Caswell <matt at openssl.org>
(Merged from https://github.com/openssl/openssl/pull/18906)

(cherry picked from commit 56d4ff6cd7fc200943197dff65146a8864b7df98)