[openssl/openssl] f309b3: Ignore SIGPIPE if client closes connection abruptly

[Vishwa Pravin]

  Branch: refs/heads/master
  Home:   https://github.com/openssl/openssl
  Commit: f309b3f6087db6c83126f8f227f1fc4984cf24b1
      https://github.com/openssl/openssl/commit/f309b3f6087db6c83126f8f227f1fc4984cf24b1
  Author: Vishwa Pravin <lordvishwa123 at gmail.com>
  Date:   2023-04-06 (Thu, 06 Apr 2023)

  Changed paths:
    M demos/sslecho/main.c

  Log Message:
  -----------
  Ignore SIGPIPE if client closes connection abruptly

Reviewed-by: Tomas Mraz <tomas at openssl.org>
Reviewed-by: Paul Dale <pauli at openssl.org>
(Merged from https://github.com/openssl/openssl/pull/20678)