Adjusted malformed reference handling so a digest length mismatch (or missing digest data) returns AMDUAT_ASL_STORE_ERR_INTEGRITY instead of AMDUAT_ASL_STORE_ERR_UNSUPPORTED in asl_store_fs.c

src/adapters/asl_store_fs/asl_store_fs.c

@@ -529,7 +529,7 @@ static amduat_asl_store_error_t amduat_asl_store_fs_get_impl(
   }
   if (ref.digest.len != hash_desc->digest_len ||
       (ref.digest.len != 0u && ref.digest.data == NULL)) {
-    return AMDUAT_ASL_STORE_ERR_UNSUPPORTED;
+    return AMDUAT_ASL_STORE_ERR_INTEGRITY;
   }
 
   objects_path = NULL;