[openssl/openssl] 6828d8: fix manpage of `d2i_X509(3)`

[Nobuhiro IMAI]

  Branch: refs/heads/openssl-3.1
  Home:   https://github.com/openssl/openssl
  Commit: 6828d87b93f32565a8d6f895282dad5b2bd9168c
      https://github.com/openssl/openssl/commit/6828d87b93f32565a8d6f895282dad5b2bd9168c
  Author: Nobuhiro IMAI <nov at yo.rim.or.jp>
  Date:   2023-01-12 (Thu, 12 Jan 2023)

  Changed paths:
    M doc/man3/d2i_X509.pod

  Log Message:
  -----------
  fix manpage of `d2i_X509(3)`

* capitalize `X509_NAME`
* add missing suffixes to `i2d_TYPE`

CLA: trivial

Reviewed-by: Hugo Landau <hlandau at openssl.org>
Reviewed-by: Tomas Mraz <tomas at openssl.org>
(Merged from https://github.com/openssl/openssl/pull/20016)

(cherry picked from commit 5adca946c3b6f779eb593bff6dbefe0a85238d84)