[openssl/openssl] c9a542: apps/speed.c: add verifying if fdopen returns NULL

[Vinz2008]

  Branch: refs/heads/master
  Home:   https://github.com/openssl/openssl
  Commit: c9a542e41837ea65671dcd75c448d7113d34a4fd
      https://github.com/openssl/openssl/commit/c9a542e41837ea65671dcd75c448d7113d34a4fd
  Author: Vinz2008 <vincentbidarddelanoe at gmail.com>
  Date:   2022-11-14 (Mon, 14 Nov 2022)

  Changed paths:
    M apps/speed.c

  Log Message:
  -----------
  apps/speed.c: add verifying if fdopen returns NULL

Reviewed-by: Todd Short <todd.short at me.com>
Reviewed-by: Tomas Mraz <tomas at openssl.org>
(Merged from https://github.com/openssl/openssl/pull/19651)