[openssl/openssl] df1e33: Updating ifdefs to account for xlclang compiler fr...

[robmcgee-mag]

  Branch: refs/heads/master
  Home:   https://github.com/openssl/openssl
  Commit: df1e33bc8ae67573a3f3488eff82e02fc0310203
      https://github.com/openssl/openssl/commit/df1e33bc8ae67573a3f3488eff82e02fc0310203
  Author: Rob Mc Gee <RobertM at magnitude.com>
  Date:   2022-08-01 (Mon, 01 Aug 2022)

  Changed paths:
    M providers/fips/self_test.c

  Log Message:
  -----------
  Updating ifdefs to account for xlclang compiler frontend on AIX.

The fallback DEP works fine there. XLC should be unaffected.

CLA: trivial

Reviewed-by: Todd Short <todd.short at me.com>
Reviewed-by: Paul Dale <pauli at openssl.org>
Reviewed-by: Tomas Mraz <tomas at openssl.org>
(Merged from https://github.com/openssl/openssl/pull/18892)