test/siphash_internal_test.c: ensure the SIPHASH structure is zeroed
Fixes #7641 [extended tests] Reviewed-by:Matt Caswell <matt@openssl.org> (Merged from https://github.com/openssl/openssl/pull/7642)
Fixes #7641 [extended tests] Reviewed-by:Matt Caswell <matt@openssl.org> (Merged from https://github.com/openssl/openssl/pull/7642)
mentioned in commit b3393401
·mentioned in commit b3393401