Silence gcc-4 warnings about sk_sort()

Tell it we deliberately ignore the return value, (we really don't
care what the old comparison function was).

1 files changed, 6 insertions, 5 deletions

diff --git a/src/lib/libcrypto/x509/x509_policy.c b/src/lib/libcrypto/x509/x509_policy.c
index 03f0f10ac5..e51e193085 100644
--- a/src/lib/libcrypto/x509/x509_policy.c
+++ b/src/lib/libcrypto/x509/x509_policy.c
@@ -1,4 +1,4 @@
-/*      $OpenBSD: x509_policy.c,v 1.23 2023/04/28 15:39:29 tb Exp $ */
+/*      $OpenBSD: x509_policy.c,v 1.24 2023/04/28 15:57:38 tb Exp $ */
 /*
  * Copyright (c) 2022, Google Inc.
  *
@@ -380,7 +380,7 @@ process_certificate_policies(const X509 *x509, X509_POLICY_LEVEL *level,
                 goto err;
         }
 
-        sk_POLICYINFO_set_cmp_func(policies, policyinfo_cmp);
+        (void)sk_POLICYINFO_set_cmp_func(policies, policyinfo_cmp);
         sk_POLICYINFO_sort(policies);
         cert_has_any_policy = 0;
         for (i = 0; i < sk_POLICYINFO_num(policies); i++) {
@@ -544,7 +544,8 @@ process_policy_mappings(const X509 *cert,
                 }
 
                 /* Sort to group by issuerDomainPolicy. */
-                sk_POLICY_MAPPING_set_cmp_func(mappings, compare_issuer_policy);
+                (void)sk_POLICY_MAPPING_set_cmp_func(mappings,
+                    compare_issuer_policy);
                 sk_POLICY_MAPPING_sort(mappings);
 
                 if (mapping_allowed) {
@@ -631,7 +632,7 @@ process_policy_mappings(const X509 *cert,
         }
 
         /* Sort to group by subjectDomainPolicy. */
-        sk_POLICY_MAPPING_set_cmp_func(mappings, compare_subject_policy);
+        (void)sk_POLICY_MAPPING_set_cmp_func(mappings, compare_subject_policy);
         sk_POLICY_MAPPING_sort(mappings);
 
         /* Convert |mappings| to our "expected_policy_set" representation. */
@@ -995,7 +996,7 @@ X509_policy_check(const STACK_OF(X509) *certs,
                             user_policies);
                         if (user_policies_sorted == NULL)
                                 goto err;
-                        sk_ASN1_OBJECT_set_cmp_func(user_policies_sorted,
+                        (void)sk_ASN1_OBJECT_set_cmp_func(user_policies_sorted,
                             asn1_object_cmp);
                         sk_ASN1_OBJECT_sort(user_policies_sorted);
                 }