[openssl/openssl] 26cf07: pkcs12: Fix macsaltlen parameter type

[Marco Abbadini]

  Branch: refs/heads/master
  Home:   https://github.com/openssl/openssl
  Commit: 26cf0767a71743de00cd20f90526052358d67d03
      https://github.com/openssl/openssl/commit/26cf0767a71743de00cd20f90526052358d67d03
  Author: Marco Abbadini <39488007+marcoabbadini at users.noreply.github.com>
  Date:   2023-05-18 (Thu, 18 May 2023)

  Changed paths:
    M apps/pkcs12.c

  Log Message:
  -----------
  pkcs12: Fix macsaltlen parameter type

It expects an integer so change it from non-argument type to positive integer type.

Fixes #20969

CLA: trivial

Reviewed-by: Paul Dale <pauli at openssl.org>
Reviewed-by: Tomas Mraz <tomas at openssl.org>
(Merged from https://github.com/openssl/openssl/pull/20979)