[openssl/openssl] 50f3f9: coverity: NULL dereference

[Pauli]

  Branch: refs/heads/openssl-3.0
  Home:   https://github.com/openssl/openssl
  Commit: 50f3f93753c9b29ae37895fa1fa6280c1066ba67
      https://github.com/openssl/openssl/commit/50f3f93753c9b29ae37895fa1fa6280c1066ba67
  Author: Pauli <pauli at openssl.org>
  Date:   2023-09-20 (Wed, 20 Sep 2023)

  Changed paths:
    M crypto/engine/eng_table.c

  Log Message:
  -----------
  coverity: NULL dereference

Fixes coverity 1544699.

Reviewed-by: Matt Caswell <matt at openssl.org>
Reviewed-by: Tim Hudson <tjh at openssl.org>
Reviewed-by: Tomas Mraz <tomas at openssl.org>
Reviewed-by: Bernd Edlinger <bernd.edlinger at hotmail.de>
(Merged from https://github.com/openssl/openssl/pull/22138)

(cherry picked from commit be01f609f98a8930f2c91b813715e515a88f4d54)