a_strnid: put includes together

a_strnid: put includes together

clang-tidy calculates where to place the headers to be added. The
maximum is the latest include present in the file.  Therefore the
algorithm sometimes addes the includes wrongly in the middle of the
file.

Signed-off-by: Norbert Pocs <norbertp@openssl.org>
Reviewed-by: Saša Nedvědický <sashan@openssl.org>
Reviewed-by: Nikola Pajkovsky <nikolap@openssl.org>
MergeDate: Mon May 18 07:03:47 2026
(Merged from https://github.com/openssl/openssl/pull/31153)