[openssl/openssl] 7bc5ce: Use <openssl/e_os2.h> rather than <stdint.h>

[Richard Levitte]

  Branch: refs/heads/master
  Home:   https://github.com/openssl/openssl
  Commit: 7bc5ce4a79c61ab7238b188f9af48f41ff1392f9
      https://github.com/openssl/openssl/commit/7bc5ce4a79c61ab7238b188f9af48f41ff1392f9
  Author: Richard Levitte <levitte at openssl.org>
  Date:   2022-11-17 (Thu, 17 Nov 2022)

  Changed paths:
    M fuzz/fuzzer.h

  Log Message:
  -----------
  Use <openssl/e_os2.h> rather than <stdint.h>

<stdint.h> is C99, which means that on older compiler, it can't be included.
We have code in <openssl/e_os2.h> that compensates.

Reviewed-by: Matt Caswell <matt at openssl.org>
Reviewed-by: Tomas Mraz <tomas at openssl.org>
(Merged from https://github.com/openssl/openssl/pull/19697)