Update sev_hashes.rs

Signed-off-by: Jakub Dóka <[email protected]>

src/measurement/sev_hashes.rs

@@ -20,7 +20,7 @@ use crate::error::*;
 
 type Sha256Hash = [u8; 32];
 
-#[cfg(all(not(feature = "openssl"), feature = "crypto_nossl")))]
+#[cfg(all(not(feature = "openssl"), feature = "crypto_nossl"))]
 fn sha256(data: &[u8]) -> Sha256Hash {
     use sha2::Digest as _;
     let mut sha = sha2::Sha256::default();