Fix compilation issues of OpenSSL tests on 32-bit architectures

rcgen/tests/openssl.rs

@@ -423,10 +423,10 @@ fn test_openssl_crl_parse() {
 	// The properties of the CRL should match expected.
 	let openssl_issuer = X509::from_der(issuer.der()).unwrap();
 	let expected_last_update =
-		Asn1Time::from_unix(crl.params().this_update.unix_timestamp()).unwrap();
+		Asn1Time::from_unix(crl.params().this_update.unix_timestamp().try_into().unwrap()).unwrap();
 	assert!(openssl_crl.last_update().eq(&expected_last_update));
 	let expected_next_update =
-		Asn1Time::from_unix(crl.params().next_update.unix_timestamp()).unwrap();
+		Asn1Time::from_unix(crl.params().next_update.unix_timestamp().try_into().unwrap()).unwrap();
 	assert!(openssl_crl.next_update().unwrap().eq(&expected_next_update));
 	assert!(matches!(
 		openssl_crl