[openssl/openssl] 0b3fec: Workaround egd rand source deficiencies

[Tomáš Mráz]

  Branch: refs/heads/openssl-3.0
  Home:   https://github.com/openssl/openssl
  Commit: 0b3fec502298f9a16889d2507948a916416e71cf
      https://github.com/openssl/openssl/commit/0b3fec502298f9a16889d2507948a916416e71cf
  Author: Tomas Mraz <tomas at openssl.org>
  Date:   2022-10-24 (Mon, 24 Oct 2022)

  Changed paths:
    M test/drbgtest.c

  Log Message:
  -----------
  Workaround egd rand source deficiencies

With egd as the rand source the reseed after fork confuses the egd.

Fixes #19396

Reviewed-by: Paul Dale <pauli at openssl.org>
Reviewed-by: Matt Caswell <matt at openssl.org>
(Merged from https://github.com/openssl/openssl/pull/19454)