fix slh signature testing on latest version

[blackshirt]

Its related in this issue#24086 encountered with latest changes. my test its fix the problem . @JalonSolov can you test this patch ?

[JalonSolov]

Checked out this PR and... appears to be successful!

Switched to branch 'slhdsa_fix'
[jalon@7950x v]$ v -d has_modern_openssl test vlib/x/crypto/slhdsa
---- Testing... ----------------------------------------------------------------------------------------------------------------------------
 OK    [1/4] C:   214.0 ms, R:     8.097 ms vlib/x/crypto/slhdsa/slhdsa_sigver_test.v
 OK    [2/4] C:   206.2 ms, R:   215.942 ms vlib/x/crypto/slhdsa/usage_test.v
 OK    [3/4] C:   217.6 ms, R:   878.445 ms vlib/x/crypto/slhdsa/base_test.v
 OK    [4/4] C:   210.1 ms, R:  1435.859 ms vlib/x/crypto/slhdsa/slhdsa_siggen_test.v
--------------------------------------------------------------------------------------------------------------------------------------------
Summary for all V _test.v files: 4 passed, 4 total. Elapsed time: 1647 ms, on 4 parallel jobs. Comptime: 847 ms. Runtime: 2538 ms.
[jalon@7950x v]$

[blackshirt]

Checked out this PR and... appears to be successful!

Switched to branch 'slhdsa_fix'
[jalon@7950x v]$ v -d has_modern_openssl test vlib/x/crypto/slhdsa
---- Testing... ----------------------------------------------------------------------------------------------------------------------------
 OK    [1/4] C:   214.0 ms, R:     8.097 ms vlib/x/crypto/slhdsa/slhdsa_sigver_test.v
 OK    [2/4] C:   206.2 ms, R:   215.942 ms vlib/x/crypto/slhdsa/usage_test.v
 OK    [3/4] C:   217.6 ms, R:   878.445 ms vlib/x/crypto/slhdsa/base_test.v
 OK    [4/4] C:   210.1 ms, R:  1435.859 ms vlib/x/crypto/slhdsa/slhdsa_siggen_test.v
--------------------------------------------------------------------------------------------------------------------------------------------
Summary for all V _test.v files: 4 passed, 4 total. Elapsed time: 1647 ms, on 4 parallel jobs. Comptime: 847 ms. Runtime: 2538 ms.
[jalon@7950x v]$

Thank you for testing it. @spytheman is the CI fails related to this patch ? If not, i think its can be merged

[spytheman]

Thank you for testing it. @spytheman is the CI fails related to this patch ? If not, i think its can be merged

The CI failures are not related, I will merge it asap (right after the other PR that fixes the -autofree job).

Thank you for working on this PR @blackshirt 🙇🏻 .
Excellent work.