This avoids a spurious gcc warning:
./config enable-asan --strict-warnings
=>
In function 'afalg_create_sk',
inlined from 'afalg_cipher_init' at engines/e_afalg.c:545:11:
engines/e_afalg.c:376:5: error: '__builtin_strncpy' output may be
truncated copying 63 bytes from a string of length 63 [-Werror=stringop-truncation]
376 | strncpy((char *) sa.salg_name, ciphername, ALG_MAX_SALG_NAME);
| ^~~~~~~
[extended tests]
Reviewed-by: Paul Dale <paul.dale@oracle.com>
(Merged from https://github.com/openssl/openssl/pull/9478)